Initial multitexturing support
Merge remote-tracking branch 'cocos2d/v3' into multitexturingsupport
indentation issues
Merge pull request #6708 from ricardoquesada/multitexturingsupport

Multi texturing support
[AUTO]: updating luabinding automatically
Merge pull request #6709 from CocosRobot/update_lua_bindings_1399964508

[AUTO]: updating luabinding automatically
Modify the lua runtime template for the implementation of downloading runtime files.
fixes more indentation issues
Merge pull request #6711 from ricardoquesada/indent_issues

fixes more indentation issues
Merge pull request #6710 from natural-law/v3

Modify the lua runtime template for the implementation of downloading runtime files.
PLEASE NEVER `using namespace cocos2d;` in header file
Merge pull request #6712 from dumganhar/dont-using-cocos2d-namespace-in-header

PLEASE NEVER `using namespace cocos2d;` in header file