chore(package): upgrade to Angular RC.2

Author: jeffbcross

package.json

@@ -31,11 +31,11 @@
   },
   "homepage": "https://github.com/angular/indy#readme",
   "dependencies": {
-    "@angular/core": "2.0.0-rc.1",
-    "@angular/platform-browser": "2.0.0-rc.1",
-    "@angular/common": "2.0.0-rc.1",
-    "@angular/compiler": "2.0.0-rc.1",
-    "@angular/platform-browser-dynamic": "2.0.0-rc.1",
+    "@angular/core": "2.0.0-rc.2",
+    "@angular/platform-browser": "2.0.0-rc.2",
+    "@angular/common": "2.0.0-rc.2",
+    "@angular/compiler": "2.0.0-rc.2",
+    "@angular/platform-browser-dynamic": "2.0.0-rc.2",
     "firebase": "^3.0.3",
     "rxjs": "5.0.0-beta.6"
   },