Adding tests for forces and impulses.
Merge branch 'v3.0' into develop

Conflicts:
	UnitTests/CCPhysicsTests.m
Fix up selector failure detection code for CCControl.
Merge pull request #799 from jtwigg/develop

Fix up selector failure detection code for CCControl.
Fixes #791 – TTFs not drawn correctly on retina display macs
Updates the version number
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-iphone into develop
Rename CCBAnimationManager to CCAnimationManager.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-iphone into develop
Merge pull request #802 from jtwigg/develop

Rename CCBAnimationManager to CCAnimationManager.
Updates the documentation for the animation manager