testing position with kinetic shapes.

Conflicts:
	UnitTests/CCPhysicsTests.m
	cocos2d/CCNode_Private.h
code looks good but doesn’t work.
working with anchor points.
working rotation.
cleanup and comment.
Starting fixed time step.

Conflicts:
	cocos2d-tests-ios.xcodeproj/project.pbxproj
	cocos2d-ui/CCBReader/CCBAnimationManager.h
	cocos2d-ui/CCBReader/CCBAnimationManager.m
fixed time step action manager.

Conflicts:
	cocos2d/CCDirector.m
	cocos2d/CCDirector_Private.h
fixed time step for physics bodies.
Parent nodes can scale a child PhysicsBody
Static nodes that move now become Kinnematic bodies.
Fix rotation bug on physics bodies.
Graceful failure if no Physics Node.
rotation uses vectors.
color bodies differently.
remove rotation variable.
Working on animating current and parent nodes.

Conflicts:
	cocos2d-ios.xcodeproj/project.pbxproj
	cocos2d/CCNode.m
Fixing Kinetic bodies further.
Cleanup physics.
revert changes to CCDirector.
Fixup director that got screwed up by merge.
fix animation timestep.