Added support for not using extension when loading ccb-files
Added support for not using extension when loading ccb-files

Former-commit-id: e82fc490f5de21d007efbd1c4038b59d4f2d9f62
dnessorga/cocos2d-objc,nader-eloshaiker/cocos2d-objc,savysoda/cocos2d-objc,yaoxiaoyong/cocos2d-objc,DNESS/cocos2d-objc,liduanw/cocos2d-objc,nader-eloshaiker/cocos2d-objc,nader-eloshaiker/cocos2d-objc,seem-sky/cocos2d-swift,finthamoussu/cocos2d-objc,zaneLou/cocos2d-objc,richardgroves/cocos2d-iphone,TukekeSoft/cocos2d-spritebuilder,TukekeSoft/cocos2d-spritebuilder,SuPair/cocos2d-objc,codepython/cocos2d-objc,dnessorga/cocos2d-objc,oxeron/cocos2d-objc,DNESS/cocos2d-objc,lpeancovschi/cocos2d-objc,liduanw/cocos2d-objc,tambarskjelve/cocos2d-objc,codepython/cocos2d-objc,TukekeSoft/cocos2d-spritebuilder,cocos2d/cocos2d-objc,tambarskjelve/cocos2d-objc,jason-puck/cocos2d-iphone,cogddo/cocos2d-objc,zaneLou/cocos2d-objc,zaneLou/cocos2d-objc,cocos2d/cocos2d-objc,seem-sky/cocos2d-swift,codepython/cocos2d-objc,liduanw/cocos2d-objc,yaoxiaoyong/cocos2d-objc,dnessorga/cocos2d-objc,DNESS/cocos2d-objc,jason-puck/cocos2d-iphone,seem-sky/cocos2d-swift,liduanw/cocos2d-objc,nader-eloshaiker/cocos2d-objc,richardgroves/cocos2d-iphone,DNESS/cocos2d-objc,yaoxiaoyong/cocos2d-objc,knight2010/cocos2d-objc,richardgroves/cocos2d-iphone,tambarskjelve/cocos2d-objc,cogddo/cocos2d-objc,lpeancovschi/cocos2d-objc,knight2010/cocos2d-objc,dnessorga/cocos2d-objc,savysoda/cocos2d-objc,yaoxiaoyong/cocos2d-objc,knight2010/cocos2d-objc,lpeancovschi/cocos2d-objc,finthamoussu/cocos2d-objc,SuPair/cocos2d-objc,liduanw/cocos2d-objc,SuPair/cocos2d-objc,savysoda/cocos2d-objc,jason-puck/cocos2d-iphone,zaneLou/cocos2d-objc,lpeancovschi/cocos2d-objc,finthamoussu/cocos2d-objc,oxeron/cocos2d-objc,finthamoussu/cocos2d-objc,dnessorga/cocos2d-objc,TukekeSoft/cocos2d-spritebuilder,yaoxiaoyong/cocos2d-objc,cogddo/cocos2d-objc,savysoda/cocos2d-objc,cogddo/cocos2d-objc,tambarskjelve/cocos2d-objc,DNESS/cocos2d-objc,codepython/cocos2d-objc,SuPair/cocos2d-objc,SuPair/cocos2d-objc,seem-sky/cocos2d-swift,knight2010/cocos2d-objc,tambarskjelve/cocos2d-objc