Merge branch 'release/0.4.0' into develop

* release/0.4.0:
  * bootstrap-sass 3.1.0+2 * Respond.js 1.4.2 @ [3fde262748](https://github.com/scottjehl/Respond/commit/3fde2627484f8cb38e2bd4dbf2374cf41184b0f4) * Updated readme
Merge branch 'hotfix/0.4.1' into develop

* hotfix/0.4.1:
  reinit submodules
  Removed all submodules
Merge branch 'hotfix/0.4.2' into develop

* hotfix/0.4.2:
  * Fixed submodules
  reinit modules
  updated submodules
  reinit submodules
  Reinit submodules
  removed submodules
Merge branch 'develop' of github.com:diowa/twbs_sass_rails into develop

* 'develop' of github.com:diowa/twbs_sass_rails:
* bootstrap-sass v3.1.1
* bootstrap-sass ?
* bootstrap-sass at master
* bootstrap-sass v3.1.1
Merge branch 'release/0.5.0'

* release/0.5.0:
  * bootstrap-sass v3.1.1
  * bootstrap-sass at master
  * bootstrap-sass ?
  * bootstrap-sass v3.1.1