gitignore for sass
Compass, Zurb Foundation & Sprockets for API

This commit implements Compass and Zurb Foundation with the respective
Compass Guard for compiling. This way Sprockets only focus is working
with CoffeeScript files and not with Compass.

When working with the api front-end run `guard` on the root of artoo
Merge branch 'master' of github.com:hybridgroup/artoo