Several node tests regarding various positionType.
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Add tests for removing nodes, scheduling, and other CCNode stuff.
More tests for scheduling. Looks like I found bugs
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Add transform tests, check UIScale, translate, and ccnode scale.
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Figuring out the failing tests, determining if they are real issues
Final comments on failing tests
Typo fix in CCNode description (tag changed to name)
Add ability to reset director singleton so unit tests can be repeatable without leaking state
Add many more unit tests around positionType and scaleType
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
CCNode NSAsserts when you try to remove a child that does not exist
Many positionType tests have been added, they currently all pass\!
Fill in missing documentation, add details about positionType, scaleType, and contentSize
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Fixed an issue with density, added a test and re-documented it.
Minor fix CCPhysics
CCSprite emptySprite control node for batchnode
Reverted previous modifications as not required now