new tools and doc
new doc
cubemap add buffer
Merge branch 'develop' of github.com:houguohua/cocos3d-x into develop
Resolution adaption
device resolution auto change
Merge branch 'develop' of github.com:houguohua/cocos3d-x into develop

Conflicts:
	EngineDemo/Classes/AppDelegate.cpp
	EngineDemo/Classes/FullDemo/FullDemoLayer.cpp
	cocos3d/C3DRenderSystem.cpp
device resolution ratio change
delete useless code
Merge pull request #6 from houguohua/develop

cocos3d-x publish
Delete ModelExporter.exe
Merge pull request #11 from houguohua/develop

Delete ModelExporter.exe
new doc
Merge branch 'develop' of github.com:houguohua/cocos3d-x into develop
Merge pull request #7 from lvlonggame/develop

new doc
add submodule cocos2d-x
update submodule to rc0
2dx dependence migrate to submodule (IOS run well)
Merge pull request #1 from dabingnn/mergecocos3.0

submodule cocos2d-x3.0rc0
resolve cpp template
Merge pull request #13 from houguohua/develop

doc