TMXGenerator: fixed wrong tile size in helper. Part of #56
TMXGenerator: fixed wrong tile size in helper. Part of #56
yaoxiaoyong/cocos2d-iphone-extensions,cocos2d/cocos2d-iphone-extensions,ricardoquesada/cocos2d-iphone-extensions,VinceeeWang/cocos2d-iphone-extensions,digitalhoax/cocos2d-iphone-extensions,VinceeeWang/cocos2d-iphone-extensions,digitalhoax/cocos2d-iphone-extensions,yaoxiaoyong/cocos2d-iphone-extensions,ricardoquesada/cocos2d-iphone-extensions,cocos2d/cocos2d-iphone-extensions