[AUTO][ci skip]: updating cocos2dx_files.json
Merge pull request #7858 from CocosRobot/update_lua_bindings_1408706600

[AUTO]: updating luabinding automatically
Merge pull request #7857 from CocosRobot/update_cocosfiles_1408706718

[AUTO][ci skip]: updating cocos2dx_files.json
[AUTO][ci skip]: updating cocos2dx_files.json
[ci skip]
Merge pull request #7859 from CocosRobot/update_cocosfiles_1408722054

[AUTO][ci skip]: updating cocos2dx_files.json
update external version
Merge pull request #7860 from minggo/v3

update external version