Merge branch 'hotfix/0.8.2'

* hotfix/0.8.2:
  * Updated badges
Merge branch 'release/0.9.0'

* release/0.9.0:
  fixed readme
  * Tested against Rails 4.0.10 and 4.1.6
  Improved rake task bootstrap-sass 3.2.0+2
  * Removed open-ended dependencies
  updated license and read me [ci skip]
  * Font Awesome 4.2.0
  * Automatically requires `sass-rails` * Updated Rails and Sass dependencies * Using Appraisal to run tests
* Fixed minitest dependency
Merge branch 'hotfix/0.9.1' into develop

* hotfix/0.9.1:
  * Fixed minitest dependency