fix(ng-serve): match brocolli version with angular

Close #220

Author: filipesilva

package.json

@@ -29,8 +29,8 @@
   },
   "homepage": "https://github.com/angular/angular-cli",
   "dependencies": {
-    "broccoli": "^1.0.0-beta.6",
-    "broccoli-concat": "2.1.0",
+    "broccoli": "^0.16.9",
+    "broccoli-concat": "0.0.13",
     "broccoli-funnel": "^1.0.1",
     "broccoli-merge-trees": "^1.0.1",
     "broccoli-writer": "^0.1.1",
@@ -40,7 +40,6 @@
     "fs-extra": "^0.18.4",
     "leek": "0.0.19",
     "lodash": "^3.10.0",
-    "multidep": "^2.0.0",
     "node-notifier": "^4.4.0",
     "resolve": "^1.0.0",
     "shelljs": "^0.5.3",