add patch download for cocos2d-x 3.1
Changed default audio format from ogg to mp3.
Merge pull request #321 from linshun/master

Changed default audio format from ogg to mp3 for iOS and Mac
Merge pull request #322 from htlxyz/feature/quickdocs

modify some quick how to docs
add reference
Merge branch 'master' of github.com:chukong/cocos-docs
Merge pull request #323 from dualface/master

add reference
Merge branch 'master' of github.com:chukong/cocos-docs
move
Merge pull request #324 from dualface/master

move
Merge pull request #319 from honghui/master

add patch download for cocos2d-x 3.1
更新索引文档
Merge branch 'master' of https://github.com/rainswan/cocos-docs

Conflicts:
	catalog/zh.md
Merge commit '80173acd61ea475f5b4a9a9718ba6c8b31ade72c'

* commit '80173acd61ea475f5b4a9a9718ba6c8b31ade72c': (76 commits)
  move
  add reference
  modify some quick how to docs
  Changed default audio format from ogg to mp3.
  Added mp3 format of audios and effects for browsers compatibility.
  Update zh.md
  add patch download for cocos2d-x 3.1
  add AppDelegate modification
  modify create new project docs
  add compile player docs
  add debugger and integration third party docs
  update document for cocos code ide 1.0.2 beta.
  update document for cocos code ide 1.0.2 beta.
  some words error fix
  add Cocos Code IDE's changelog
  add setup development
  [Cocos2d-JS]Update 3.0beta upgrade guide
  Updated download link
  fixed error of cc.sequence
  no message
  ...

Conflicts:
	catalog/zh.md
Merge pull request #326 from u0u0/master

merge
Merge commit '43463ee33da395425958b3170b1884545fdaedf3'

* commit '43463ee33da395425958b3170b1884545fdaedf3':
修复链接指向错误
Merge pull request #327 from rainswan/master

修复链接指向错误
modify PlayScnee.js to PlayScene.js
Merge pull request #330 from ccf19881030/patch-1

modify "PlayScnee.js"  to "PlayScene.js"