plataformatec/devise — pull request #2964 by laurocaetano (2014-04-04 18:57:29+00:00)
Title: Add configuration to invalidate all sessions when the user signs out.

Closes #2862

This PR adds the `invalidate_all_sessions_on_logout` configuration, that when enabled will invalidate all the sessions when the user signs out. Without it, the session won't be invalidated.

cc/ @josevalim