updated angular to rc.4

Author: orizens

package.json

@@ -26,11 +26,11 @@
   "author": "Oren Farhi",
   "license": "MIT",
   "devDependencies": {
-    "@angular/common": "^2.0.0-rc.2",
-    "@angular/compiler": "^2.0.0-rc.2",
-    "@angular/core": "^2.0.0-rc.2",
-    "@angular/platform-browser": "^2.0.0-rc.2",
-    "@angular/platform-browser-dynamic": "^2.0.0-rc.2",
+    "@angular/common": "^2.0.0-rc.4",
+    "@angular/compiler": "^2.0.0-rc.4",
+    "@angular/core": "^2.0.0-rc.4",
+    "@angular/platform-browser": "^2.0.0-rc.4",
+    "@angular/platform-browser-dynamic": "^2.0.0-rc.4",
     "autodts": "0.0.6",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.33.3",