issue #3298, change header description.
issue #3298, change header description.
Merge pull request #73 from u0u0/master

issue #3298, change header description.
refactor sdk_integration folder
Merge pull request #74 from walzer/master

refactor sdk_integration folder
issue #3503. review the article of 'Value'
Merge branch 'master' of github.com:andyque/cocos-docs
Merge remote-tracking branch 'upstream/master'