plataformatec/devise — pull request #2428 by dmitrydims (2013-05-21 02:32:51+00:00)
Title: Changed 'before_filter' to 'before_action' in Rails 4

https://github.com/rails/rails/commit/9d62e04838f01f5589fa50b0baa480d60c815e2c
https://twitter.com/rails/status/277121523649740800