mozilla-b2g/gaia — pull request #4250 by timdream (2012-08-31 19:11:34+00:00)
Title: Windows Manager clean up and merging and etc.

- Merge and fix #4067
- Clean up public API and made some docs and comments
- Workaround https://bugzilla.mozilla.org/show_bug.cgi?id=787519, so apps can be closed even if it has crashed.