Merge pull request #1 from denis-minchuk/master

implement missing control extentions and test for them
Merge pull request #2 from denis-minchuk/master

fixed bugs in GUI extension, renamed fields
use layer clipping routines
added MinScale, MaxScale properties
fixed initialization (IgnoreAnchorPointForPosition = false)
Merge pull request #3 from denis-minchuk/master

CCBReader
Merge pull request #4 from denis-minchuk/master

Added new files in all projects and added content for android
revert changes in CCSpriteFrameCache
CCSpriteSheet, CCSpriteSheetCache
bug fixing in the multiplex layer and adding comments. Removed the always-run condition for OnEnter actions.
Merge branch 'master' of https://github.com/gena-m/cocos2d-xna into pr275
PR275 fixed the ccb animations.