V3.0.0 release stuff
Private CCDirector.viewportRect property.
Fixed screen mode transitions.
Updated iOS templates
Updated installer version
Adding a simple CCRenderTexture test
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