update engine version
Revert "update engine version"

This reverts commit e2db75a86907a44f2fbce01297af8c1c680cd89e.
Merge branch 'master' of https://github.com/chukong/cocos-docs
[Cocos2d-JS] Fix link issues in Facebook docs
Update en.md
Update en.md
Update en.md
Update en.md

Remove some irrelevant code from the samples.

It's not present in the end PlayScene.js anyway,
and it doesn't make sense in the current scenario.
[Cocos2d-JS] Update getter setter list
Add Facebook payments api reference
Merge pull request #448 from timotei/patch-1

Update en.md
Merge pull request #447 from joshuastray/master

update facebook android sdk document
Merge pull request #450 from VisualSJ/master

Add Facebook payments api reference
Add Facebook payments params info
return
no message
modify some change api
modify some change api
Update Facebook param info
Create ko.md