Replace airbrake with rollbar
Merge branch 'master' into replace-airbrake-with-rollbar

* master:
  Remove travis CI configuration file.
Remove airbrake initializer and add new one for rollbar
Move mail_safe gem to development group only
Merge pull request #91 from fs/replace-airbrake-with-rollbar

Replace airbrake with rollbar
Merge pull request #94 from juggler/move-mails-safe-to-dev-only

Move mail_safe gem to development group only
Update database_cleaner to 1.1.1
Update email_spec to 1.5.0
Update rails_best_practices to 1.14.0
Merge remote-tracking branch 'origin/master' into rails-4

* origin/master:
  Move mail_safe gem to development group only
  Remove airbrake initializer and add new one for rollbar
  Replace airbrake with rollbar

Conflicts:
	Gemfile.lock