feat(angular): update to angular 2.0.0-beta.13

Author: SteveVanOpstal

package.json

@@ -46,7 +46,7 @@
     "postinstall": "npm run typings-install"
   },
   "dependencies": {
-    "angular2": "2.0.0-beta.12",
+    "angular2": "2.0.0-beta.13",
     "async": "1.5.2",
     "core-js": "2.2.1",
     "d3": "3.5.16",