working spring joint.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-iphone into joints_v2
Merge pull request #750 from osinoleg/develop

Effect stacking rewrite
commit working Limit Joints.
working motor joint.
add ratted to CCBReader.
Change order of joint creation.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-iphone into joints_v2
Merge pull request #754 from jtwigg/develop

Support for new joints types in CCBReader
Update test project for unit tests.
working test.
working test data.
Working CCBReader int compression.
Working CCBReader int compression.
Revert "Working CCBReader int compression."

This reverts commit b228675217a2fb718cd1a4014cb4680f484ac59e.
Reexport CCBi for tests.
Merge pull request #756 from jtwigg/develop

Support new compression algo for Int's.
Merge remote-tracking branch 'upstream/develop' into develop