Run physics in 32-bit.
Merge branch 'develop-v3' into 32-bit-physics
Fixing warnings for 64 bit builds.
More 64 bit fixes.
Avoid conversions when possible.
Merge branch 'develop-v3' into 64-bit
Fixes for running unit tests on 64 bit.
Installer Updates
Merge pull request #606 from cocojoe/develop-v3

Installer Updates
Fixed [CCScheduler timersForTarget:] to not include invalidated timers.
Merge pull request #581 from cocos2d/64-bit

64 bit fixes.
Merge branch 'develop-v3' of github:cocos2d/cocos2d-iphone into develop-v3
Disables retina display by default, and makes it possible to use or not to use retina display.
Release previous scene in transitions before calling onEnterTransitionDidFinish.
Merge branch 'develop-v3' of github:cocos2d/cocos2d-iphone into develop-v3
Merge branch 'develop-v3' into render-queue
Cleaning up CCSprite to get rid of a lot of batch node references.
More CCSprite cleanup and 9 slicing.