Add babel-runtime as dev dep

package.json

@@ -27,6 +27,7 @@
     "babel-preset-es2015-webpack": "6.4.0",
     "babel-preset-react": "6.5.0",
     "babel-preset-stage-0": "6.5.0",
+    "babel-runtime": "^6.6.1",
     "copy-webpack-plugin": "1.1.1",
     "css-loader": "0.23.1",
     "eslint": "2.2.0",