updating scripts

I had to make some changes to get these to work more reliable on my system. may need more improvement.s

Author: JoshDSommer

package.json

@@ -2,21 +2,12 @@
   "name": "nativescript-slides",
   "version": "2.2.9",
   "description": "NativeScript Slides plugin.",
-  "main": "nativescript-slides.js",
-  "nativescript": {
-    "platforms": {
-      "android": "2.3.0",
-      "ios": "2.3.0"
-    },
-    "tns-ios": {
-      "version": "2.3.0"
-    }
-  },
+  "main": "nativescript-slides",
   "scripts": {
     "build": "tsc",
-    "demo.ios": "npm run preparedemo && cd demo && tns emulate ios",
+    "demo.ios": "npm run preparedemo && cd demo && tns run ios",
     "demo.android": "npm run preparedemo && cd demo && tns run android",
-    "preparedemo": "npm run build && cd demo && tns plugin remove nativescript-slides && tns plugin add .. && tns install",
+    "preparedemo": "npm run build && cd demo && npm install .. --save",
     "setup": "npm install && cd demo && npm install && cd .. && npm run build && cd demo && tns plugin add .. && cd ..",
     "ios": "xcproj --project platforms/ios/YourApp.xcodeproj touch; xcproj --project platforms/ios/Pods/Pods.xcodeproj touch; tns livesync ios --emulator --watch"
   },
@@ -70,9 +61,9 @@
   "homepage": "https://github.com/TheOriginalJosh/nativescript-slides",
   "readmeFilename": "README.md",
   "devDependencies": {
-    "typescript": "^1.8.7",
-    "tns-platform-declarations": "^2.0.0",
-    "tns-core-modules": "^2.3.0"
+    "typescript": "^2.2.2",
+    "tns-platform-declarations": "^3.0.1",
+    "tns-core-modules": "^3.0.1"
   },
   "dependencies": {
     "nativescript-dom": "^1.0.6"