modify filename
add how-to/use-project-mac-and-win
add how-to/upgrade-to_2_2_3
Update zh.md
move
Update en.md
Update en.md
Updated chapter 4 to cocos2d-js v3.0
Updated catalog
Merge pull request #290 from linshun/master

Updated chapter 4 of parkour tutorials to cocos2d-js v3.0
[Cocos2d-JS] Correct an issue
Merge branch 'master' of https://github.com/cocos2d/cocos-docs
修改catalog下的目录结构
Update chapter 5 to cocos2d-js v3.0
Updated code
Added asset
Updated catalog
Merge pull request #293 from linshun/master

Update chapter 5 of parkour tutorials to cocos2d-js v3.0
Merge pull request #292 from rainswan/master

修改catalog下的目录结构
整理文档的存放方式