let billboard can rotate in the Z axis
update runtime version to 1.6
Merge pull request #9388 from cocoscodeide/v3

update runtime version to 1.6
update for cocos reader
update for cocos reader
update ReleaseNotes
update ReleaseNots
update ReleaseNotes
Merge pull request #9392 from dabingnn/v3_releaseNotes

V3 release notes
fixed renameFile for wp8 and winrt to pass file and assetmangers tests
invoke closedir after invoke opendir
calculate aabb if not exist
Merge pull request #171 from tangziwen/v3

let billboard can rotate in the Z axis
closedir when succeed
Merge pull request #9394 from MSOpenTech/wp8-fileutils-fix

Fixed CCFileUtils::renameFile() for wp8 and winrt to pass FileUtils and AssetMangers tests
Merge pull request #9390 from liamcindy/UIReader

update for cocos reader
Update the reference of submodule cocos2d-console.
Merge pull request #9413 from natural-law/v3

[ci skip] Update the reference of submodule cocos2d-console.
Merge pull request #9404 from super626/v3

bug fix
[ci skip] Update CHANGELOG