plataformatec/devise — pull request #2293 by fgrehm (2013-02-20 19:26:48+00:00)
Title: Add documentation on how to set up routes for applications that requires users to be signed in for any action

It took me a while to figure out how to get this right and I believe it might be useful for others as well.
Please LMK if there is a better approach for doing it ;-)

Cheers