bump version for NS 5.0 changes

Author: PeterStaev

package.json

@@ -1,13 +1,13 @@
 {
   "name": "nativescript-image-swipe",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "A widget to easily swipe and zoom through images",
   "main": "image-swipe",
   "typings": "image-swipe.d.ts",
   "nativescript": {
     "platforms": {
-      "ios": "4.0.0",
-      "android": "4.0.0"
+      "ios": "5.0.0",
+      "android": "5.0.0"
     },
     "plugin": {
       "nan": "true",
@@ -39,11 +39,12 @@
   ],
   "author": "Peter Staev <peter@tangrasoft.com>",
   "contributors": [
-    "Dirk Rudolph (https://github.com/Buuhuu)"
+    "Dirk Rudolph (https://github.com/Buuhuu)",
+    "Vladimir Amiorkov (https://github.com/VladimirAmiorkov)"
   ],
   "license": "Apache-2.0",
   "peerDependencies": {
-    "tns-core-modules": "^4"
+    "tns-core-modules": "^5"
   },
   "devDependencies": {
     "grunt": "1.0.1",