Merge branch 'hotfix/1.4.1'
Massive update to Rails 4.1

Included in this update is a major refactor of the themes.
Reimplemented a couple removed gems.
Merge branch 'release/1.5'
Updated path to public theme.
Added a .ruby-version file
Moved pry to the Development and Test groups
Added Sidekiq and Capistrano related gems
Updated binstubs and moved Pry to be available in all environments.
Updated admin theme.
Removed pry-debugger.
Updated to Capistrano 3
Added Carrierwave test configuration