Modify highlighting behavior when cell's setHighlighted method is not overwritten - specifically touchesMoved behavior
A test case to reproduce an animation bug.
Add pedantic touching state cleaning
added support for the collection view cell's [will/did]TransitionFromLayout:toLayout:
Merge pull request #245 from taiyangc/select_background

Modify highlighting behavior when cell's setHighlighted method is not ov...
Add some documentation
Code style
Fix stack overflow caused during scroll view delegate callbacks
Document delegate setting
mostly code style improvements
Merge pull request #246 from jnjosh/master

Added support for [will/did]TransitionFromLayout:toLayout:
Add note about willTransitionFromLayout call
add kPSTEnableFastAnimationTest to enable/disable the test
Merge branch 'master' into animation-bug
Reverts 09ae07dca, thus fixing #244.
use modern objc syntax