Update minimal version to PHP 7.1 (#13)

Author: 0x46616c6b

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/php:7.0
+      - image: circleci/php:7.1
       - image: systemli/etherpad-lite:1.6.1
     steps:
       - checkout

.scrutinizer.yml

@@ -1,18 +1,17 @@
 checks:
-    php:
-        code_rating: true
-        duplication: true
+  php:
+    code_rating: true
+    duplication: true
 
 build:
-    tests:
-        override:
-            -
-                command: 'vendor/bin/phpunit --coverage-clover=coverage.xml'
-                coverage:
-                    file: 'coverage.xml'
-                    format: 'clover'
+  tests:
+    override:
+      - command: 'vendor/bin/phpunit --coverage-clover=coverage.xml'
+        coverage:
+          file: 'coverage.xml'
+          format: 'clover'
 
 filter:
-    excluded_paths:
-        - src/EtherpadLite/Tests/*
-        - features/*
+  excluded_paths:
+    - src/EtherpadLite/Tests/*
+    - features/*

composer.json

@@ -12,11 +12,11 @@
         "psr-4": { "": "src/" }
     },
     "require": {
-        "php": "^5.6|^7.0",
-        "guzzlehttp/guzzle": "~6.0"
+        "php": "^7.1",
+        "guzzlehttp/guzzle": "~6.3"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.7",
+        "phpunit/phpunit": "~7.5",
         "behat/behat": "^3.3"
     }
 }