Fixed spine API usage in test case
3.2 release docs
Update cocos2d-x for Timeline issue
Update submodule
Update html5 engine
Merge pull request #1247 from pandamicro/develop

Prepare for 3.2 release
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-js into Iss2416_Renderer

Conflicts:
	frameworks/cocos2d-html5