fix(ambiguous-coffee-script): ensure compilation is unambiguous

Before:
angular.module 'app'
.controller 'homeController', [Home]

After:
angular.module('app')
.controller('homeController', [Home])

Closes #20
chore(tag): v4.0.1
Merge branch 'master' of github.com:CaryLandholt/ng-classify

* 'master' of github.com:CaryLandholt/ng-classify:
  docs(README): add demo link