Fix AngularServices NPM package dependency restoration following third-party package changes

Author: SteveSandersonMS

src/Microsoft.AspNetCore.AngularServices/npm/package.json

@@ -18,12 +18,12 @@
     "url": "https://github.com/aspnet/JavaScriptServices.git"
   },
   "dependencies": {
-    "angular2": "^2.0.0-beta.13",
+    "angular2": "2.0.0-beta.13",
+    "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.2"
   },
   "devDependencies": {
     "es6-shim": "^0.35.0",
-    "reflect-metadata": "^0.1.2",
     "rimraf": "^2.5.4",
     "systemjs-builder": "^0.14.11",
     "typescript": "^2.0.0",