Merge pull request #1676 from pandamicro/develop-3.0

Remove cc.defineProtoGetterSetter
issue #4277 : Fix a bug of cc.audioEngine.
Merge pull request #1677 from SmallAiTT/iss_4277_fix4release3.0

issue #4277 : Fix a bug of cc.audioEngine.
issue #4277 : Fix a bug of cc.audioEngine : isMusicPlaying.
Merge pull request #1679 from SmallAiTT/iss_4277_fix4release3.0

issue #4277 : Fix a bug of cc.audioEngine : isMusicPlaying.
Issue #4277: add "ie" to multiple audio white list
issue #4277 : Fix a bug of cc.audioEngine : isMusicPlaying.
issue #4277 : Fix a bug of cc.audioEngine : isMusicPlaying.
Merge pull request #1680 from dingpinglv/Iss4277_ReleaseV3.0

Issue #4277: add "ie" to multiple audio white list
Merge pull request #1681 from SmallAiTT/iss_4277_fix4release3.0

issue #4277 : Fix a bug of cc.audioEngine : isMusicPlaying.
Issue #4323: Fix jsDoc warning in extensions
Issue #4323: Update build.xml
Merge branch 'develop-3.0' of git://github.com/cocos2d/cocos2d-html5 into FixJSDoc
Merge pull request #1682 from pandamicro/FixJSDoc

Issue #4323: Fix jsDoc warning in extensions