webpack configs

#webpack arguments
--display-modules  shows list of modules 
--profile --json > stats.json  --output stats.json to use at  http://webpack.github.io/analyse/

##Babel polyfill to support es6 
import "babel-polyfill";
With webpack.config.js, add babel-polyfill to your entry array:

module.exports = {
   entry: ['babel-polyfill', './app/js']
};