Merge pull request #8199 from CocosRobot/update_lua_bindings_1411985319

[AUTO]: updating luabinding automatically
[AUTO][ci skip]: updating cocos2dx_files.json
change tab to space
Merge pull request #8202 from CocosRobot/update_cocosfiles_1411986711

[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #8203 from dabingnn/v3_changeTabtoSpace

change tab to space