gregbell/active_admin — pull request #1048 by latortuga (2012-02-19 22:03:37+00:00)
Title: Exclude devise :timedout from flash messages

This is the change to exclude the devise :timedout key from showing up in the flash messages (Issue #1005). I don't have a spec for this because I'm not quite sure how to add one for this functionality but this is my proposed fix.

Note that this is a Rails-specific fix because it relies on ActiveSupport's addition of Hash#except