Merge pull request #1 from chukong/master

update cocos
config.json descript
add variable type
modify data type
moidfy
moidfy
review part of article
Merge pull request #4 from chukong/master

merge from upstream
Merge branch 'master' of https://github.com/chukong/cocos-docs
Create ko.md
Update ko.md
Update ko.md
Merge pull request #386 from sincntx/master

Translate english to korean
updated coordinate-system, action, frame-animation, transition, particle-system, tiled-map, multi-resolution to 3.x
Merge pull request #387 from gloryming/master

updated coordinate-system, action, frame-animation, transition, particle...
Update ko.md
Update ko.md
add audio-and-effect to v3
Merge pull request #388 from sincntx/master

RC0 update
Merge pull request #385 from joshuastray/master

fix reflection & AssetsManager to jsb namespace