CCButtons now utilize Float opacity instead of int opacity.
OpenAL added to CCAppDelegate

Removes noticeable delay on first time usage.
Merge pull request #509 from cocojoe/develop-v3

OpenAL added to CCAppDelegate
Fix install.sh download condition.
Removing the xccheckout file from the repo
Updating AUTHORS
CCColor Documentation
Moved appledoc build run phase to use tools build script (unified)
Merge pull request #510 from cocojoe/develop-v3

CCColor Documentation
Merge branch 'develop-v3' of github:cocos2d/cocos2d-iphone into develop-v3
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Reading the rotationalSkewX/Y of a physics enabled node should return a valid value.
Fixes issue with color interpolation
Renames interpolation method in CCColor
Merge branch 'develop-v3' of https://github.com/cocos2d/cocos2d-iphone into develop-v3
Nested CCBFiles’s can have x != y scales.
Merge branch 'develop-v3' of https://github.com/apportable/cocos2d-iphone into develop-v3