Bump version to 3.1.0 (#760)

Author: Vasil Chimev

Diff for: nativescript-angular/package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "nativescript-angular",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "An Angular renderer that lets you build mobile apps with NativeScript.",
   "homepage": "https://www.nativescript.org/",
   "bugs": "https://github.com/NativeScript/nativescript-angular/issues",
@@ -50,7 +50,7 @@
     "@angular/router": "~4.0.0",
     "@angular/forms": "~4.0.0",
     "@angular/http": "~4.0.0",
-    "tns-core-modules": "^3.0.0 || ^3.0.0-rc.1 || >=3.0.0-2017",
+    "tns-core-modules": "^3.0.0 || ^3.0.0-rc.1",
     "rxjs": "^5.0.1",
     "zone.js": "^0.8.4"
   },