Merge branch 'release/6.0.0' into develop

* release/6.0.0:
  Updated change log Bumped version number
Merge branch 'hotfix/6.0.1' into develop

* hotfix/6.0.1:
  * Improved turbolinks spinner * Updated gems
Merge branch 'hotfix/6.0.2' into develop

* hotfix/6.0.2:
  * Using SCSS Syntax * Updated gems
Merge branch 'hotfix/6.0.3' into develop

* hotfix/6.0.3:
  * Fixed changelog * Updated gems
Merge branch 'hotfix/6.0.4' into develop

* hotfix/6.0.4:
  * Rails 4.1.1
Merge branch 'hotfix/6.0.5' into develop

* hotfix/6.0.5:
  * Fixed version number
Merge branch 'hotfix/6.0.6' into develop

* hotfix/6.0.6:
  * Fixed Rails version number
Merge branch 'hotfix/6.0.7' into develop

* hotfix/6.0.7:
  * Updated gems
* Planning to support source maps
* Updated gems
* Fixed rspec-rails gem group
* Ruby 2.1.2
* Fixed rspec-rails gem group
* Updated gems
Merge branch 'release/6.1.0'

* release/6.1.0:
  * Ruby 2.1.2 * Fixed rspec-rails gem group * Updated gems
  * Planning to support source maps * Updated gems * Fixed rspec-rails gem group