Merge branch 'release/0.8.0' into develop

* release/0.8.0:
  * bootstrap-sass 3.2.0+1
Merge branch 'hotfix/0.8.1' into develop

* hotfix/0.8.1:
  * Fixed rake task * Fixed bootstrap-sass submodule
Merge branch 'hotfix/0.8.2' into develop

* hotfix/0.8.2:
  * Updated badges
* Automatically requires `sass-rails`
* Updated Rails and Sass dependencies
* Using Appraisal to run tests
* Font Awesome 4.2.0
updated license and read me
[ci skip]
* Removed open-ended dependencies
Improved rake task
bootstrap-sass 3.2.0+2
* Tested against Rails 4.0.10 and 4.1.6
fixed readme
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