Merge branch 'release/2.3.2.0' into develop

* release/2.3.2.0:
  Bump version to 2.3.2.0
Update LICENSE to 2013

Liked your note "It's 2012 already." Figured I'd push you along to 2013.
2013 is everywhere :calendar:
Update to released version of Rails 4
Rails4 :compact sass style is slightly different
Rails 4.0 is released, don't accept build failures anymore

[ci skip]
Move assets from vendor to app so the gem behaves more like a Rails Engine and the images are pre-compiled on Rails 4.
Merge pull request #54 from rafaelgaspar/develop

Move assets from vendor/assets to app/assets for Rails 4.0 compatibility
Restrict Rails 4 tests to Rails 4.0
Bump version to 2.3.2.1
Merge branch 'release/2.3.2.1'

* release/2.3.2.1:
  Bump version to 2.3.2.1
  Restrict Rails 4 tests to Rails 4.0
  Move assets from vendor to app so the gem behaves more like a Rails Engine and the images are pre-compiled on Rails 4.
  Rails 4.0 is released, don't accept build failures anymore
  Rails4 :compact sass style is slightly different
  Update to released version of Rails 4
  2013 is everywhere :calendar:
  Update LICENSE to 2013
Merge branch 'release/2.3.2.1' into develop

* release/2.3.2.1:
  Bump version to 2.3.2.1
Import Sass port of Twitter Bootstrap 3.0.0 (WIP)
Include Glyphicons icon font, remove old icon images

@see http://glyphicons.getbootstrap.com/
Import Bootstrap 3.0.0 RC1
Update tests for Bootstrap 3.0 RC1
Update README
Bump version to 3.0.0.0-rc1
Merge branch 'release/3.0.0.0-rc1'

* release/3.0.0.0-rc1:
  Bump version to 3.0.0.0-rc1
  Update README
  Update tests for Bootstrap 3.0 RC1
  Import Bootstrap 3.0.0 RC1
  Include Glyphicons icon font, remove old icon images
  Import Sass port of Twitter Bootstrap 3.0.0 (WIP)