Add unicorn gem.
Add a config file for unicorn.
Merge branch 'add-unicorn' into development
Update Gems.
Update to Rails 4.1.1.
Add Admin::MessagesController.
Update for twitter-bootstrap-rails.
Change Admin::MessagesController parent class to Admin::ApplicationController.
Implement Admin::MessagesController#bulk_destroy.
Remove route for Admin::MessagesController#destroy.
Implement Admin::CommentsController.
Merge pull request #2 from hiro-nakaji/rails4.1.1

Rails4.1.1
Merge branch 'development'