Merge branch 'hotfix/0.14.3' into develop

* hotfix/0.14.3:
  Fixed changelog
  * Fix: Search doesn't show anymore expired results (#22) * Updated gems
  Fixes #22
Merge branch 'hotfix/0.14.4' into develop

* hotfix/0.14.4:
  * Improved application layout * Font Awesome 4.2.0 * Updated gems
* Added Gitter badge to the README (#25)
* Updated gems
bitter badge on new line
[ci skip]
I said on a new line
[ci skip]
Merge branch 'release/0.15.0'

* release/0.15.0:
  I said on a new line [ci skip]
  bitter badge on new line [ci skip]
  * Added Gitter badge to the README (#25) * Updated gems