Merge branch 'hotfix/3.1.1'

* hotfix/3.1.1:
  * Updated gems
Merge branch 'release/4.0.0'

* release/4.0.0:
  Bumped up major version number Updated readme
  moved to sass
* Fixed homepage
Merge branch 'hotfix/4.0.1' into develop

* hotfix/4.0.1:
  * Fixed homepage