working
Merge branch 'master' into riseup-branch-navbar-back-arrow

Conflicts:
	Classes/ios/UIBarButtonItem+FlatUI.m
adds setTitleColor:highlighted:removeShadow to UIBarButtonItem category
close approximation of iOS 7's back button for iOS 5 + 6

there are problems with the text clipping
cosmetic change
Fixed PopoverController documentation
Merge branch 'riseup-branch' into iOS7-style-back-button-for-iOS5-and-6-code-review
trying to adjust the title offset to match iOS 7
Merge pull request #80 from liyanchang/master

Fixed PopoverController documentation
some more experimentation to see if we can solve the text clipping problem
fixes text clipping problem by adjusting edge insets on resizable background image
Merge remote-tracking branch 'upstream/master' into iOS7-style-back-button-for-iOS5-and-6-code-review