Update to Angular 2.0.0-alpha.30

Author: Nathan Walker

package.json

@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/auth0/angular2-authentication-sample",
   "dependencies": {
-    "angular2": "2.0.0-alpha.29",
+    "angular2": "2.0.0-alpha.30",
     "raw-loader": "^0.5.1",
     "reflect-metadata": "^0.1.0",
     "rtts_assert": "2.0.0-alpha.29",