appcelerator/titanium_mobile — pull request #3019 by vishalduggal (2012-09-21 17:25:40+00:00)
Title: [TIMOB-11030] (2_1_X) Warn when using group tableView background as a color

Cherry pick PR #3016 into 2_1_X
Associated [ticket](https://jira.appcelerator.org/browse/TIMOB-11030)