added CCRandom.Randomize
Merge branch 'master' of https://github.com/Cocos2DXNA/cocos2d-xna
Merge branch 'master' of https://github.com/Cocos2DXNA/cocos2d-xna
tests from Java port
Cleanup Tags routines
Merge branch 'master' of https://github.com/gena-m/cocos2d-xna
added Box2D tests: CircleStress and Liquid
fixed CCDrawingPrimitives.DrawRect
remove using ContentScaleFactor (fixed DrawPrimitiveTest)
fixed Box2D LiquidTest
added cleanup test
fixed tag in CCParticleBatchNode
Merge branch 'master' of https://github.com/Cocos2DXNA/cocos2d-xna
Merge branch 'master' of https://github.com/gena-m/cocos2d-xna into pr328
added a fix for the particle system test where clicking on 5 or 6 would crash because the PMA conversion code did not have a valid pixel dimension for the affected texture.