Merge pull request #13 from joseluisq/greenkeeper/webpack-3.1.0

Update webpack to the latest version 🚀

Author: joseluisq

package.json

@@ -48,7 +48,7 @@
     "jest-cli": "^21.0.0",
     "react-addons-test-utils": "^15.6.0",
     "readline-sync": "^1.4.7",
-    "webpack": "^2.6.1",
+    "webpack": "^3.1.0",
     "webpack-dev-server": "^2.4.5"
   },
   "engines": {