Merge branch 'release/2.2.2.0' into develop

* release/2.2.2.0:
  Bump version to 2.2.2.0
Document how to use responsive styles (Closes #42)
Upgrade javascripts to 2.3.0
Upgrade stylesheets to 2.3.0
Merge branch 'feature/bootstrap-2.3.0' into develop

* feature/bootstrap-2.3.0:
  Upgrade stylesheets to 2.3.0
  Upgrade javascripts to 2.3.0
Bump version to 2.3.0.0
Merge branch 'release/2.3.0.0'

* release/2.3.0.0:
  Bump version to 2.3.0.0
  Upgrade stylesheets to 2.3.0
  Upgrade javascripts to 2.3.0
  Document how to use responsive styles (Closes #42)
Merge branch 'release/2.3.0.0' into develop

* release/2.3.0.0:
  Bump version to 2.3.0.0
Add block level input styles (Closes #44)
Update to Twitter Bootstrap 2.3.1
Bump version to 2.3.1.0
Merge branch 'release/2.3.1.0'

* release/2.3.1.0:
  Bump version to 2.3.1.0
  Update to Twitter Bootstrap 2.3.1
  Add block level input styles (Closes #44)
Merge branch 'master' of https://github.com/yabawock/bootstrap-sass-rails
ignore rvmrc
update rtl version
added rspecrc file