changed tooling from browserify to webpack

* using browsersync instead of livereload
* `gulp serve` works as before
* `gulp sync` starts browserSync and serves UI on port 3000
* everything is built in `build/`
* build release with `gulp build --release`

client/app/scripts/main.js

@@ -1,3 +1,6 @@
+require('font-awesome-webpack');
+require('../styles/main.less');
+
 const React = require('react');
 
 const App = require('./components/app.js');