spree/spree — pull request #4687 by tesserakt (2014-05-14 18:51:10+00:00)
Title: Explicitly load the root Application Controller

This helped me implement this https://github.com/plataformatec/devise/wiki/How-To:-Redirect-back-to-current-page-after-sign-in,-sign-out,-sign-up,-update

via a before_action. Before specifying, my ApplicationController would not get loaded and therefore would not set the before_action.