chore: update Angular 2 to beta.17 (#562)

Author: filipesilva

addon/ng2/blueprints/ng2/files/package.json

@@ -13,10 +13,10 @@
   },
   "private": true,
   "dependencies": {
-    "angular2": "2.0.0-beta.16",
+    "angular2": "2.0.0-beta.17",
     "es6-shim": "^0.35.0",
     "reflect-metadata": "0.1.2",
-    "rxjs": "5.0.0-beta.2",
+    "rxjs": "5.0.0-beta.6",
     "systemjs": "0.19.20",
     "zone.js": "^0.6.12"
   },