Merge pull request #7646 from CocosRobot/update_lua_bindings_1406879478

[AUTO]: updating luabinding automatically
[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7648 from CocosRobot/update_cocosfiles_1406879885

[AUTO][ci skip]: updating cocos2dx_files.json
fix windows utf8 source code file can not compile erorr
Merge pull request #7650 from andyque/fixTestUnicode

fix windows utf8 source code file can not compile erorr