diff --git a/package-lock.json b/package-lock.json
index 9f2f8d7..03360e4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -53,7 +53,7 @@
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
         }
@@ -392,15 +392,17 @@
       "resolved": "https://registry.npmjs.org/archive-type/-/archive-type-3.2.0.tgz",
       "integrity": "sha1-nNnABpV+vpX62tW9YJiUKoE3N/Y=",
       "dev": true,
+      "optional": true,
       "requires": {
         "file-type": "^3.1.0"
       },
       "dependencies": {
         "file-type": {
           "version": "3.9.0",
-          "resolved": "http://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
+          "resolved": "https://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
           "integrity": "sha1-JXoHg4TR24CHvESdEH1SpSZyuek=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -559,7 +561,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -610,7 +612,7 @@
     },
     "autoprefixer": {
       "version": "7.2.6",
-      "resolved": "http://registry.npmjs.org/autoprefixer/-/autoprefixer-7.2.6.tgz",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-7.2.6.tgz",
       "integrity": "sha512-Iq8TRIB+/9eQ8rbGhcP7ct5cYb/3qjNYAR2SnzLCEcwF6rvVOax8+9+fccgXk4bEhQGjOZd5TLhsksmAdsbGqQ==",
       "dev": true,
       "requires": {
@@ -641,7 +643,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -654,7 +656,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -784,7 +786,7 @@
         },
         "uuid": {
           "version": "2.0.3",
-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho=",
           "dev": true,
           "optional": true
@@ -826,7 +828,7 @@
       "dependencies": {
         "semver": {
           "version": "4.3.6",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
           "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=",
           "dev": true,
           "optional": true
@@ -886,7 +888,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/boolbase/-/boolbase-1.0.0.tgz",
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "brace-expansion": {
       "version": "1.1.11",
@@ -958,7 +961,7 @@
       "dependencies": {
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         }
@@ -1116,6 +1119,7 @@
       "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
       "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
       "dev": true,
+      "optional": true,
       "requires": {
         "buffer-alloc-unsafe": "^1.1.0",
         "buffer-fill": "^1.0.0"
@@ -1125,7 +1129,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
       "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "buffer-crc32": {
       "version": "0.2.13",
@@ -1143,7 +1148,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "buffer-from": {
       "version": "1.1.1",
@@ -1156,6 +1162,7 @@
       "resolved": "https://registry.npmjs.org/buffer-to-vinyl/-/buffer-to-vinyl-1.1.0.tgz",
       "integrity": "sha1-APFfruOreh3aLN5tkSG//dB7ImI=",
       "dev": true,
+      "optional": true,
       "requires": {
         "file-type": "^3.1.0",
         "readable-stream": "^2.0.2",
@@ -1165,21 +1172,24 @@
       "dependencies": {
         "file-type": {
           "version": "3.9.0",
-          "resolved": "http://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
+          "resolved": "https://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
           "integrity": "sha1-JXoHg4TR24CHvESdEH1SpSZyuek=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "2.0.3",
-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "vinyl": {
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-1.2.0.tgz",
           "integrity": "sha1-XIgDbPVl5d8FVYv8kR+GVt8hiIQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^1.0.0",
             "clone-stats": "^0.0.1",
@@ -1254,13 +1264,15 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
       "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "camelcase-keys": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
       "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "camelcase": "^2.0.0",
         "map-obj": "^1.0.0"
@@ -1312,13 +1324,15 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.1.tgz",
       "integrity": "sha512-mYQLZnx5Qt1JgB1WEiMCf2647plpGeQ2NMR/5L0HNZzGQo4fuSPnK+wjfPnKZV0aiJDgzmWqqkV/g7JD+DW0qw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "caw": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/caw/-/caw-1.2.0.tgz",
       "integrity": "sha1-/7Im/n78VHKI3GLuPpcHPCEtEDQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "get-proxy": "^1.0.1",
         "is-obj": "^1.0.0",
@@ -1330,7 +1344,8 @@
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
           "integrity": "sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1435,7 +1450,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1448,7 +1463,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -1642,9 +1657,10 @@
     },
     "commander": {
       "version": "2.8.1",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
       "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "graceful-readlink": ">= 1.0.0"
       }
@@ -1742,7 +1758,7 @@
     },
     "convert-source-map": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
       "integrity": "sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=",
       "dev": true
     },
@@ -1802,6 +1818,7 @@
       "resolved": "https://registry.npmjs.org/create-error-class/-/create-error-class-3.0.2.tgz",
       "integrity": "sha1-Br56vvlHo/FKMP1hBnHUAbyot7Y=",
       "dev": true,
+      "optional": true,
       "requires": {
         "capture-stack-trace": "^1.0.0"
       }
@@ -2033,7 +2050,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -2046,7 +2063,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -2072,7 +2089,7 @@
         },
         "postcss-calc": {
           "version": "5.3.1",
-          "resolved": "http://registry.npmjs.org/postcss-calc/-/postcss-calc-5.3.1.tgz",
+          "resolved": "https://registry.npmjs.org/postcss-calc/-/postcss-calc-5.3.1.tgz",
           "integrity": "sha1-d7rnypKK2FcW4v2kLyYb98HWW14=",
           "dev": true,
           "requires": {
@@ -2199,6 +2216,7 @@
       "resolved": "https://registry.npmjs.org/decompress/-/decompress-3.0.0.tgz",
       "integrity": "sha1-rx3VDQbjv8QyRh033hGzjA2ZG+0=",
       "dev": true,
+      "optional": true,
       "requires": {
         "buffer-to-vinyl": "^1.0.0",
         "concat-stream": "^1.4.6",
@@ -2216,6 +2234,7 @@
       "resolved": "https://registry.npmjs.org/decompress-tar/-/decompress-tar-3.1.0.tgz",
       "integrity": "sha1-IXx4n5uURQ76rcXF5TeXj8MzxGY=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-tar": "^1.0.0",
         "object-assign": "^2.0.0",
@@ -2229,25 +2248,29 @@
           "version": "0.2.0",
           "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
           "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
           "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-2.1.1.tgz",
           "integrity": "sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
+          "optional": true,
           "requires": {
             "core-util-is": "~1.0.0",
             "inherits": "~2.0.1",
@@ -2257,15 +2280,17 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "readable-stream": ">=1.0.33-1 <1.1.0-0",
             "xtend": ">=4.0.0 <4.1.0-0"
@@ -2276,6 +2301,7 @@
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
           "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^0.2.0",
             "clone-stats": "^0.0.1"
@@ -2288,6 +2314,7 @@
       "resolved": "https://registry.npmjs.org/decompress-tarbz2/-/decompress-tarbz2-3.1.0.tgz",
       "integrity": "sha1-iyOTVoE1X58YnYclag+L3ZbZZm0=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-bzip2": "^1.0.0",
         "object-assign": "^2.0.0",
@@ -2302,25 +2329,29 @@
           "version": "0.2.0",
           "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
           "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
           "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-2.1.1.tgz",
           "integrity": "sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
+          "optional": true,
           "requires": {
             "core-util-is": "~1.0.0",
             "inherits": "~2.0.1",
@@ -2330,15 +2361,17 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "readable-stream": ">=1.0.33-1 <1.1.0-0",
             "xtend": ">=4.0.0 <4.1.0-0"
@@ -2349,6 +2382,7 @@
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
           "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^0.2.0",
             "clone-stats": "^0.0.1"
@@ -2361,6 +2395,7 @@
       "resolved": "https://registry.npmjs.org/decompress-targz/-/decompress-targz-3.1.0.tgz",
       "integrity": "sha1-ssE9+YFmJomRtxXWRH9kLpaW9aA=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-gzip": "^1.0.0",
         "object-assign": "^2.0.0",
@@ -2374,25 +2409,29 @@
           "version": "0.2.0",
           "resolved": "https://registry.npmjs.org/clone/-/clone-0.2.0.tgz",
           "integrity": "sha1-xhJqkK1Pctv1rNskPMN3JP6T/B8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isarray": {
           "version": "0.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
           "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-2.1.1.tgz",
           "integrity": "sha1-Q8NuXVaf+OSBbE76i+AtJpZ8GKo=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
+          "optional": true,
           "requires": {
             "core-util-is": "~1.0.0",
             "inherits": "~2.0.1",
@@ -2402,15 +2441,17 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "readable-stream": ">=1.0.33-1 <1.1.0-0",
             "xtend": ">=4.0.0 <4.1.0-0"
@@ -2421,6 +2462,7 @@
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-0.4.6.tgz",
           "integrity": "sha1-LzVsh6VQolVGHza76ypbqL94SEc=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^0.2.0",
             "clone-stats": "^0.0.1"
@@ -2433,6 +2475,7 @@
       "resolved": "https://registry.npmjs.org/decompress-unzip/-/decompress-unzip-3.4.0.tgz",
       "integrity": "sha1-YUdbQVIGa74/7hL51inRX+ZHjus=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-zip": "^1.0.0",
         "read-all-stream": "^3.0.0",
@@ -2448,6 +2491,7 @@
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-1.2.0.tgz",
           "integrity": "sha1-XIgDbPVl5d8FVYv8kR+GVt8hiIQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^1.0.0",
             "clone-stats": "^0.0.1",
@@ -2460,7 +2504,8 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
       "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "deep-is": {
       "version": "0.1.3",
@@ -2672,7 +2717,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         }
@@ -2723,6 +2768,7 @@
       "resolved": "https://registry.npmjs.org/download/-/download-4.4.3.tgz",
       "integrity": "sha1-qlX9rTktldS2jowr4D4MKqIbqaw=",
       "dev": true,
+      "optional": true,
       "requires": {
         "caw": "^1.0.1",
         "concat-stream": "^1.4.7",
@@ -2746,6 +2792,7 @@
           "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-1.2.0.tgz",
           "integrity": "sha1-XIgDbPVl5d8FVYv8kR+GVt8hiIQ=",
           "dev": true,
+          "optional": true,
           "requires": {
             "clone": "^1.0.0",
             "clone-stats": "^0.0.1",
@@ -2797,6 +2844,7 @@
       "resolved": "https://registry.npmjs.org/each-async/-/each-async-1.1.1.tgz",
       "integrity": "sha1-3uUim98KtrogEqOV4bhpq/iBNHM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "onetime": "^1.0.0",
         "set-immediate-shim": "^1.0.0"
@@ -2804,9 +2852,10 @@
       "dependencies": {
         "onetime": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
           "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -2823,18 +2872,32 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
-      "integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        }
       }
     },
     "encodeurl": {
@@ -2905,6 +2968,7 @@
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.12.0.tgz",
       "integrity": "sha512-C8Fx/0jFmV5IPoMOFPA9P9G5NtqW+4cOPit3MIuvR2t7Ag2K15EJTpxnHAYTzL+aYQJIESYeXZmDBfOBE1HcpA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "es-to-primitive": "^1.1.1",
         "function-bind": "^1.1.1",
@@ -2918,6 +2982,7 @@
       "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.0.tgz",
       "integrity": "sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-callable": "^1.1.4",
         "is-date-object": "^1.0.1",
@@ -3060,7 +3125,7 @@
       "dependencies": {
         "doctrine": {
           "version": "1.5.0",
-          "resolved": "http://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true,
           "requires": {
@@ -3084,7 +3149,7 @@
       "dependencies": {
         "semver": {
           "version": "5.3.0",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
           "integrity": "sha1-myzl094C0XxgEq0yaqa00M9U+U8=",
           "dev": true
         }
@@ -3195,7 +3260,7 @@
       "dependencies": {
         "map-stream": {
           "version": "0.1.0",
-          "resolved": "http://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/map-stream/-/map-stream-0.1.0.tgz",
           "integrity": "sha1-5WqpTEyAVaFkBKBnS3jyFffI4ZQ=",
           "dev": true
         }
@@ -3584,13 +3649,15 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/filename-reserved-regex/-/filename-reserved-regex-1.0.0.tgz",
       "integrity": "sha1-5hz4BfDeHJhFZ9A4bcXfUO5a9+Q=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "filenamify": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/filenamify/-/filenamify-1.2.1.tgz",
       "integrity": "sha1-qfL/0RxQO+0wABUCknI3jx8TZaU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "filename-reserved-regex": "^1.0.0",
         "strip-outer": "^1.0.0",
@@ -3780,7 +3847,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
       "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "fs-exists-sync": {
       "version": "0.1.0",
@@ -3824,7 +3892,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -3845,12 +3914,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -3865,17 +3936,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -3992,7 +4066,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4004,6 +4079,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4018,6 +4094,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4025,12 +4102,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -4049,6 +4128,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4129,7 +4209,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4141,6 +4222,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4226,7 +4308,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4262,6 +4345,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4281,6 +4365,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4324,12 +4409,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4401,6 +4488,7 @@
       "resolved": "https://registry.npmjs.org/get-proxy/-/get-proxy-1.1.0.tgz",
       "integrity": "sha1-iUhUSRvFkbDxR9euVw9cZ4tyVus=",
       "dev": true,
+      "optional": true,
       "requires": {
         "rc": "^1.1.2"
       }
@@ -4409,7 +4497,8 @@
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz",
       "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "get-stream": {
       "version": "3.0.0",
@@ -4550,7 +4639,7 @@
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
           "requires": {
@@ -4562,13 +4651,13 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         },
         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
           "requires": {
@@ -4628,7 +4717,7 @@
     },
     "globby": {
       "version": "6.1.0",
-      "resolved": "http://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
       "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
       "dev": true,
       "requires": {
@@ -4669,7 +4758,7 @@
         },
         "graceful-fs": {
           "version": "1.2.3",
-          "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
           "integrity": "sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=",
           "dev": true
         },
@@ -4681,13 +4770,13 @@
         },
         "lodash": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
           "integrity": "sha1-j1dWDIO1n8JwvT1WG2kAQ0MOJVE=",
           "dev": true
         },
         "lru-cache": {
           "version": "2.7.3",
-          "resolved": "http://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
           "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
           "dev": true
         },
@@ -4734,6 +4823,7 @@
       "resolved": "http://registry.npmjs.org/got/-/got-5.7.1.tgz",
       "integrity": "sha1-X4FjWmHkplifGAVp6k44FoClHzU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "create-error-class": "^3.0.1",
         "duplexer2": "^0.1.4",
@@ -4762,7 +4852,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz",
       "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "gulp": {
       "version": "3.9.1",
@@ -4793,7 +4884,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -4812,7 +4903,7 @@
         },
         "graceful-fs": {
           "version": "3.0.11",
-          "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
           "integrity": "sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=",
           "dev": true,
           "requires": {
@@ -4827,7 +4918,7 @@
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "dev": true,
           "requires": {
@@ -4839,13 +4930,13 @@
         },
         "semver": {
           "version": "4.3.6",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
           "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=",
           "dev": true
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         },
@@ -4861,13 +4952,13 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         },
         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
           "requires": {
@@ -4970,6 +5061,7 @@
       "resolved": "https://registry.npmjs.org/gulp-decompress/-/gulp-decompress-1.2.0.tgz",
       "integrity": "sha1-jutlpeAV+O2FMsr+KEVJYGJvDcc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "archive-type": "^3.0.0",
         "decompress": "^3.0.0",
@@ -5040,7 +5132,7 @@
         },
         "kind-of": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
           "integrity": "sha1-FAo9LUGjbS78+pN3tiwk+ElaXEQ=",
           "dev": true
         },
@@ -5105,7 +5197,7 @@
         },
         "kind-of": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
           "integrity": "sha1-FAo9LUGjbS78+pN3tiwk+ElaXEQ=",
           "dev": true
         },
@@ -5128,7 +5220,8 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/gulp-rename/-/gulp-rename-1.4.0.tgz",
       "integrity": "sha512-swzbIGb/arEoFK89tPY58vg3Ok1bw+d35PfUNwWqdo7KM4jkmuGA78JiDNqR+JeZFaeeHnRg9N7aihX3YPmsyg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "gulp-sourcemaps": {
       "version": "1.6.0",
@@ -5261,7 +5354,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -5280,7 +5373,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -5977,6 +6070,7 @@
       "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-2.1.0.tgz",
       "integrity": "sha1-ji1INIdCEhtKghi3oTfppSBJ3IA=",
       "dev": true,
+      "optional": true,
       "requires": {
         "repeating": "^2.0.0"
       }
@@ -6126,7 +6220,7 @@
     },
     "is-accessor-descriptor": {
       "version": "0.1.6",
-      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
       "dev": true,
       "requires": {
@@ -6200,17 +6294,19 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-bzip2/-/is-bzip2-1.0.0.tgz",
       "integrity": "sha1-XuWOqlounIDiFAe+3yOuWsCRs/w=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-callable": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
       "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-data-descriptor": {
       "version": "0.1.4",
-      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
       "dev": true,
       "requires": {
@@ -6232,7 +6328,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
       "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-decimal": {
       "version": "1.0.2",
@@ -6306,6 +6403,7 @@
       "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
       "integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=",
       "dev": true,
+      "optional": true,
       "requires": {
         "number-is-nan": "^1.0.0"
       }
@@ -6336,7 +6434,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-gzip/-/is-gzip-1.0.0.tgz",
       "integrity": "sha1-bKiwe5nHeZgCWQDlVc7Y7YCHmoM=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-hexadecimal": {
       "version": "1.0.2",
@@ -6355,7 +6454,8 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/is-natural-number/-/is-natural-number-2.1.1.tgz",
       "integrity": "sha1-fUxXKDd+84bD4ZSpkRv1fG3DNec=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-negated-glob": {
       "version": "1.0.0",
@@ -6442,13 +6542,15 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-redirect/-/is-redirect-1.0.0.tgz",
       "integrity": "sha1-HQPd7VO9jbDzDCbk+V02/HyH3CQ=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-regex": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
       "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "has": "^1.0.1"
       }
@@ -6478,7 +6580,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz",
       "integrity": "sha1-EaBgVotnM5REAz0BJaYaINVk+zQ=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-self-closing": {
       "version": "1.0.1",
@@ -6515,6 +6618,7 @@
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.2.tgz",
       "integrity": "sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==",
       "dev": true,
+      "optional": true,
       "requires": {
         "has-symbols": "^1.0.0"
       }
@@ -6523,7 +6627,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-tar/-/is-tar-1.0.0.tgz",
       "integrity": "sha1-L2suF5LB9bs2UZrKqdZcDSb+hT0=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-unc-path": {
       "version": "1.0.0",
@@ -6538,7 +6643,8 @@
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/is-url/-/is-url-1.2.4.tgz",
       "integrity": "sha512-ITvGim8FhRiYe4IQ5uHSkj7pVaPDrCTkNd3yq3cV7iZAcJdHTUMPMEHcqSOy9xZ9qFenQCvi+2wjH9a1nXqHww==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-utf8": {
       "version": "0.2.1",
@@ -6574,7 +6680,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-zip/-/is-zip-1.0.0.tgz",
       "integrity": "sha1-R7Co/004p2QxzP2ZqOFaTIa6IyU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "isarray": {
       "version": "1.0.0",
@@ -6774,7 +6881,7 @@
     },
     "load-json-file": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "dev": true,
       "requires": {
@@ -6999,7 +7106,7 @@
       "dependencies": {
         "ansi-colors": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/ansi-colors/-/ansi-colors-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-0.2.0.tgz",
           "integrity": "sha1-csMd4qDZoszQysMMyYI+6y9kNLU=",
           "dev": true,
           "requires": {
@@ -7092,7 +7199,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -7105,7 +7212,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true
         }
@@ -7138,7 +7245,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
       "integrity": "sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "lpad-align": {
       "version": "1.1.2",
@@ -7285,13 +7393,15 @@
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/mdn-data/-/mdn-data-1.1.4.tgz",
       "integrity": "sha512-FSYbp3lyKjyj3E7fMl6rYvUdX0FBXaluGqlFoYESWQlyUTq8R+wp0rkFxoYFqZlHCvsUXGjyJmLQSnXToYhOSA==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "meow": {
       "version": "3.7.0",
-      "resolved": "http://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
       "integrity": "sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=",
       "dev": true,
+      "optional": true,
       "requires": {
         "camelcase-keys": "^2.0.0",
         "decamelize": "^1.1.2",
@@ -7307,9 +7417,10 @@
       "dependencies": {
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "^4.1.2",
             "parse-json": "^2.2.0",
@@ -7323,6 +7434,7 @@
           "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
           "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "^4.1.2",
             "pify": "^2.0.0",
@@ -7334,6 +7446,7 @@
           "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
           "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "load-json-file": "^1.0.0",
             "normalize-package-data": "^2.3.2",
@@ -7345,6 +7458,7 @@
           "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
           "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
           "dev": true,
+          "optional": true,
           "requires": {
             "find-up": "^1.0.0",
             "read-pkg": "^1.0.0"
@@ -7355,6 +7469,7 @@
           "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
           "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-utf8": "^0.2.0"
           }
@@ -7564,7 +7679,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -7576,7 +7691,7 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         }
@@ -7636,7 +7751,8 @@
       "version": "1.0.0",
       "resolved": "http://registry.npmjs.org/node-status-codes/-/node-status-codes-1.0.0.tgz",
       "integrity": "sha1-WuVUHQJGRdMqWPzdyc7s6nrjrC8=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "normalize-package-data": {
       "version": "2.4.0",
@@ -7722,7 +7838,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
       "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "object-assign": {
       "version": "4.1.1",
@@ -7987,7 +8104,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
       "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "p-limit": {
       "version": "1.3.0",
@@ -8240,7 +8358,7 @@
     },
     "pify": {
       "version": "2.3.0",
-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
       "dev": true
     },
@@ -8282,7 +8400,7 @@
       "dependencies": {
         "ansi-colors": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
           "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
           "dev": true,
           "requires": {
@@ -8377,7 +8495,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8390,7 +8508,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8449,7 +8567,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8462,7 +8580,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8530,7 +8648,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8543,7 +8661,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8601,7 +8719,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8614,7 +8732,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8672,7 +8790,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8685,7 +8803,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8743,7 +8861,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8756,7 +8874,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8815,7 +8933,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8828,7 +8946,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8886,7 +9004,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8899,7 +9017,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -8980,7 +9098,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -8993,7 +9111,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9091,7 +9209,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9104,7 +9222,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9162,7 +9280,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9175,7 +9293,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9247,7 +9365,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9260,7 +9378,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9326,7 +9444,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9339,7 +9457,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9398,7 +9516,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9411,7 +9529,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9472,7 +9590,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9485,7 +9603,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9546,7 +9664,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9559,7 +9677,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9617,7 +9735,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9630,7 +9748,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9691,7 +9809,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9704,7 +9822,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9763,7 +9881,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9776,7 +9894,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9835,7 +9953,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9848,7 +9966,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9906,7 +10024,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9919,7 +10037,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -9979,7 +10097,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -9992,7 +10110,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -10110,7 +10228,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -10123,7 +10241,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -10183,7 +10301,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -10196,7 +10314,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -10275,7 +10393,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -10288,7 +10406,7 @@
           "dependencies": {
             "supports-color": {
               "version": "2.0.0",
-              "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
               "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
               "dev": true
             }
@@ -10602,7 +10720,7 @@
       "dependencies": {
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         }
@@ -10613,6 +10731,7 @@
       "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
       "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
       "dev": true,
+      "optional": true,
       "requires": {
         "deep-extend": "^0.6.0",
         "ini": "~1.3.0",
@@ -10625,6 +10744,7 @@
       "resolved": "https://registry.npmjs.org/read-all-stream/-/read-all-stream-3.1.0.tgz",
       "integrity": "sha1-NcPhd/IHjveJ7kv6+kNzB06u9Po=",
       "dev": true,
+      "optional": true,
       "requires": {
         "pinkie-promise": "^2.0.0",
         "readable-stream": "^2.0.0"
@@ -10682,7 +10802,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "dev": true,
       "requires": {
@@ -10697,7 +10817,7 @@
       "dependencies": {
         "string_decoder": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
           "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
           "dev": true,
           "requires": {
@@ -10731,6 +10851,7 @@
       "resolved": "https://registry.npmjs.org/redent/-/redent-1.0.0.tgz",
       "integrity": "sha1-z5Fqsf1fHxbfsggi3W7H9zDCr94=",
       "dev": true,
+      "optional": true,
       "requires": {
         "indent-string": "^2.1.0",
         "strip-indent": "^1.0.1"
@@ -10738,7 +10859,7 @@
     },
     "reduce-css-calc": {
       "version": "1.3.0",
-      "resolved": "http://registry.npmjs.org/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz",
       "integrity": "sha1-dHyRTgSWFKTJz7umKYca0dKSdxY=",
       "dev": true,
       "requires": {
@@ -10951,6 +11072,7 @@
       "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
       "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-finite": "^1.0.0"
       }
@@ -11120,6 +11242,7 @@
       "resolved": "https://registry.npmjs.org/seek-bzip/-/seek-bzip-1.0.5.tgz",
       "integrity": "sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=",
       "dev": true,
+      "optional": true,
       "requires": {
         "commander": "~2.8.1"
       }
@@ -11228,7 +11351,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
       "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "set-value": {
       "version": "2.0.0",
@@ -11575,7 +11699,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "optional": true,
@@ -11589,7 +11713,7 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
           "dev": true,
           "optional": true
@@ -11607,7 +11731,8 @@
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/stat-mode/-/stat-mode-0.2.2.tgz",
       "integrity": "sha1-5sgLYjEj19gM8TLOU480YokHJQI=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "state-toggle": {
       "version": "1.0.1",
@@ -11768,7 +11893,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "dev": true,
       "requires": {
@@ -11807,6 +11932,7 @@
       "resolved": "http://registry.npmjs.org/strip-dirs/-/strip-dirs-1.1.1.tgz",
       "integrity": "sha1-lgu9EoeETzl1pFWKoQOoJV4kVqA=",
       "dev": true,
+      "optional": true,
       "requires": {
         "chalk": "^1.0.0",
         "get-stdin": "^4.0.1",
@@ -11820,13 +11946,15 @@
           "version": "2.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "^2.2.1",
             "escape-string-regexp": "^1.0.2",
@@ -11840,6 +11968,7 @@
           "resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-0.1.7.tgz",
           "integrity": "sha1-hHSREZ/MtftDYhfMc39/qtUPYD8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "is-relative": "^0.1.0"
           }
@@ -11848,13 +11977,15 @@
           "version": "0.1.3",
           "resolved": "https://registry.npmjs.org/is-relative/-/is-relative-0.1.3.tgz",
           "integrity": "sha1-kF/uiuhvRbPsYUvDwVyGnfCHboI=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -11870,6 +12001,7 @@
       "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-1.0.1.tgz",
       "integrity": "sha1-DHlipq3vp7vUrDZkYKY4VSrhoKI=",
       "dev": true,
+      "optional": true,
       "requires": {
         "get-stdin": "^4.0.1"
       }
@@ -11885,6 +12017,7 @@
       "resolved": "https://registry.npmjs.org/strip-outer/-/strip-outer-1.0.1.tgz",
       "integrity": "sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==",
       "dev": true,
+      "optional": true,
       "requires": {
         "escape-string-regexp": "^1.0.2"
       }
@@ -12293,6 +12426,7 @@
       "resolved": "https://registry.npmjs.org/sum-up/-/sum-up-1.0.3.tgz",
       "integrity": "sha1-HGYfZnBX9jvLeHWqFDi8FiUlFW4=",
       "dev": true,
+      "optional": true,
       "requires": {
         "chalk": "^1.0.0"
       },
@@ -12301,13 +12435,15 @@
           "version": "2.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
           "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-styles": "^2.2.1",
             "escape-string-regexp": "^1.0.2",
@@ -12318,9 +12454,10 @@
         },
         "supports-color": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
           "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -12394,6 +12531,7 @@
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
       "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
       "dev": true,
+      "optional": true,
       "requires": {
         "bl": "^1.0.0",
         "buffer-alloc": "^1.2.0",
@@ -12409,6 +12547,7 @@
           "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
           "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "^1.4.0"
           }
@@ -12493,7 +12632,8 @@
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-3.1.3.tgz",
       "integrity": "sha1-lYYL/MXHbCd/j4Mm/Q9bLiDrohc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "timers-browserify": {
       "version": "1.4.2",
@@ -12574,7 +12714,8 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
       "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "to-gfm-code-block": {
       "version": "0.1.1",
@@ -12643,13 +12784,15 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-1.0.0.tgz",
       "integrity": "sha1-WIeWa7WCpFA6QetST301ARgVphM=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "trim-repeated": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
       "integrity": "sha1-42RqLqTokTEr9+rObPsFOAvAHCE=",
       "dev": true,
+      "optional": true,
       "requires": {
         "escape-string-regexp": "^1.0.2"
       }
@@ -12676,7 +12819,8 @@
       "version": "0.4.3",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
       "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "type-check": {
       "version": "0.3.2",
@@ -12876,7 +13020,7 @@
     },
     "unique-stream": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/unique-stream/-/unique-stream-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/unique-stream/-/unique-stream-1.0.0.tgz",
       "integrity": "sha1-1ZpKdUJ0R9mqbJHnAmP40mpLEEs=",
       "dev": true
     },
@@ -12985,7 +13129,8 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/unzip-response/-/unzip-response-1.0.2.tgz",
       "integrity": "sha1-uYTwh3/AqJwsdzzB73tbIytbBv4=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "upath": {
       "version": "1.1.0",
@@ -13022,6 +13167,7 @@
       "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
       "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "prepend-http": "^1.0.1"
       }
@@ -13175,6 +13321,7 @@
       "resolved": "https://registry.npmjs.org/vinyl-assign/-/vinyl-assign-1.2.1.tgz",
       "integrity": "sha1-TRmIkbVRWRHXcajNnFSApGoHSkU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "object-assign": "^4.0.1",
         "readable-stream": "^2.0.0"
@@ -13290,7 +13437,7 @@
           "dependencies": {
             "readable-stream": {
               "version": "1.0.34",
-              "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+              "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
               "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
               "dev": true,
               "requires": {
@@ -13302,7 +13449,7 @@
             },
             "through2": {
               "version": "0.6.5",
-              "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+              "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
               "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
               "dev": true,
               "requires": {
@@ -13375,7 +13522,7 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         },
@@ -13540,6 +13687,7 @@
       "resolved": "https://registry.npmjs.org/ware/-/ware-1.3.0.tgz",
       "integrity": "sha1-0bFPOdLiy0q4xAmPdW/ksWTkc9Q=",
       "dev": true,
+      "optional": true,
       "requires": {
         "wrap-fn": "^0.1.0"
       }
@@ -13592,6 +13740,7 @@
       "resolved": "https://registry.npmjs.org/wrap-fn/-/wrap-fn-0.1.5.tgz",
       "integrity": "sha1-8htuQQFv9KfjFyDbxjoJAWvfmEU=",
       "dev": true,
+      "optional": true,
       "requires": {
         "co": "3.1.0"
       },
@@ -13600,7 +13749,8 @@
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/co/-/co-3.1.0.tgz",
           "integrity": "sha1-TqVOpaCJOBUxheFSEMaNkJK8G3g=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/yarn.lock b/yarn.lock
index 92274fe..e07ce05 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -729,10 +729,10 @@ bl@^1.0.0, bl@^1.2.1:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.9:
+  version "4.12.0"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.12.0.tgz#775b3f278efbb9718eec7361f483fb36fbbfea88"
+  integrity sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==
 
 body@^5.1.0:
   version "5.1.0"
@@ -782,7 +782,7 @@ braces@^2.3.0, braces@^2.3.1:
     split-string "^3.0.2"
     to-regex "^3.0.1"
 
-brorand@^1.0.1:
+brorand@^1.0.1, brorand@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
   integrity sha1-EsJe/kCkXjwyPrhnWgoM5XsiNx8=
@@ -2098,17 +2098,17 @@ electron-to-chromium@^1.2.7, electron-to-chromium@^1.3.30:
   integrity sha512-ZUXBUyGLeoJxp4Nt6G/GjBRLnyz8IKQGexZ2ndWaoegThgMGFO1tdDYID5gBV32/1S83osjJHyfzvanE/8HY4Q==
 
 elliptic@^6.0.0:
-  version "6.4.1"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.1.tgz#c2d0b7776911b86722c632c3c06c60f2f819939a"
-  integrity sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.4.tgz#da37cebd31e79a1367e941b592ed1fbebd58abbb"
+  integrity sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==
   dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
+    bn.js "^4.11.9"
+    brorand "^1.1.0"
     hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
+    hmac-drbg "^1.0.1"
+    inherits "^2.0.4"
+    minimalistic-assert "^1.0.1"
+    minimalistic-crypto-utils "^1.0.1"
 
 encodeurl@~1.0.1, encodeurl@~1.0.2:
   version "1.0.2"
@@ -3490,7 +3490,7 @@ highlight.js@^9.12.0:
   resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.13.1.tgz#054586d53a6863311168488a0f58d6c505ce641e"
   integrity sha512-Sc28JNQNDzaH6PORtRLMvif9RSn1mYuOoX3omVjnb0+HbpPygU2ALBI0R/wsiqCb4/fcp07Gdo8g+fhtFrQl6A==
 
-hmac-drbg@^1.0.0:
+hmac-drbg@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
   integrity sha1-0nRXAQJabHdabFRXk+1QL8DGSaE=
@@ -3678,16 +3678,21 @@ inherits@1:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
   integrity sha1-ykMJ2t7mtUzAuNJH6NfHoJdb3Js=
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@^2.0.4, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
+inherits@2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
@@ -4891,7 +4896,7 @@ minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"
   integrity sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+minimalistic-crypto-utils@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=