add mising dep

Author: robhrt7

package.json

@@ -14,6 +14,7 @@
     "babel-preset-es2015": "^6.9.0",
     "babel-preset-react": "^6.5.0",
     "babel-preset-react-hmre": "^1.1.1",
+    "babel-standalone": "^6.7.7",
     "react": "^0.14.2",
     "react-dom": "^0.14.2",
     "sourcejs": "^0.6.0-nightly.4",