NPM: add dependecies for 'amber create' command

package.json

@@ -34,7 +34,9 @@
   },
   "dependencies": {
     "es6-promise": "~0.1.1",
-    "amdefine": "0.0.8"
+    "amdefine": "0.0.8",
+    "grunt-init-amber": "git://github.com/amber-smalltalk/grunt-init-amber.git",
+    "grunt-init": "~0.3.1"
   },
   "devDependencies": {
     "pegjs": "~0.8.0",