Remove coffee and coffeelint support
Add 'dev' task
Merge branch 'feature/remove-coffeescript-support'

* feature/remove-coffeescript-support:
  Add 'dev' task
  Remove coffee and coffeelint support
Release 0.1.12

Changelog:

a5cfb6f Remove coffee and coffeelint support
49ea278 Add dev task
784a108 Merge branch feature/remove-coffeescript-support