mozilla-b2g/gaia — pull request #4201 by alivedise (2012-08-31 05:59:53+00:00)
Title: [F] fix #3035

fix #3035.
Now the policy is the later attention screen would cover the original one.
The original one would show if the later is closed.

#### TODO ####
Distinguish homebutton event from dialer and clock.

ping @etiennesegonzac