UI Patch set for ios7 support

This is the first batch of fixes for IOS7
Things done:
1. Turn off full screen for all view controllers.
2. Bar Color fixes
3. Picker crashes
4. PhoneNav cleanup

Things that are not working currently:
1. Split View Controller (iPAD features).
2. Some UI glitches in ListView (default selector is not implemented)
3. SearchView in listView does not layout correctly after  

A second patch will follow but this should close out majority of the KS bugs reported by QE

Test using KS PR #108
https://github.com/appcelerator-developer-relations/KitchenSink/pull/108