翻译ccGLStateCache.h / cc GLProgramCache.h
Merge remote-tracking branch 'iTyran/cocos2d-x/v3' into v3
Merge pull request #107 from Yangtb/v3

翻译ccGLStateCache.h / cc GLProgramCache.h
Merge branch 'v3' of https://github.com/iTyran/cocos2d-x into v3