fix babel-runtime dep

package.json

@@ -46,9 +46,9 @@
     ]
   },
   "devDependencies": {
-    "babel-core": "^5.0.0",
-    "babel-loader": "^5.0.0",
-    "babel-runtime": "^6.1.18",
+    "babel-core": "^5.8.0",
+    "babel-loader": "^5.4.0",
+    "babel-runtime": "^5.8.0",
     "casperjs": "^1.1.0-beta3",
     "codecov.io": "^0.1.2",
     "eslint": "^1.3.1",