Add VS2012 Express For Windows Desktop support in install-templiates-msvc.bat
Merge remote-tracking branch 'origin/master'
Merge pull request #2033 from xyhl515/master

fixed #1746: Added VS2012 Express template installing support.
fixed #1731:change struct to class
Merge pull request #2038 from minggo/iss1731-lua-declaration

fixed #1731:change struct to class
Update AUTHORS
fixed #1747: Crash occurs when passing null to cc.AnimationFrame.initWithSpriteFrame.
Merge pull request #2039 from dumganhar/iss1747-jsb-animation

fixed #1747: Crash occurs when passing null to cc.AnimationFrame.initWithSpriteFrame.