added gulp, look at PR for instructions

* install gulp globally: `npm install -g gulp`
* go to the root and install components: `npm install`
* run gulp to compile all files: `gulp`
* install live reload plugin for your brower [Chrome](https://chrome.google.com/webstore/detail/livereload/jnihajbhpnppcggbcgedagnkighmdlei)
* run `gulp watch`

make any change to sass or js. 

sit back and watch the magic unfold.