Merge branch 'release/2.1.0' into develop

* release/2.1.0:
  FontAwesome 4.0.2 Updated gems
Merge branch 'hotfix/2.1.1' into develop

* hotfix/2.1.1:
  Fixed README [ci skip]
* FontAwesome 4.0.3
* Updated gems
Merge branch 'release/2.2.0'

* release/2.2.0:
  * FontAwesome 4.0.3 * Updated gems