Closed #5613: fixed a bug of cc.Audio that it throws an error when audio's duration is infinity
Fixed a bug of cc.Audio that it throws an error when audio's duration is infinity
Merge pull request #1940 from dingpinglv/Iss5613_ccAudio

Closed #5613: fixed a bug of cc.Audio that it throws an error when audio's duration is infinity
fix cc.Spawn.create error
fix the bug: ccui.LoadingBar.setPercent will crash, when it's render texture is in plist and scale9Enabled is true
Merge pull request #1941 from tianxing113/develop

fix two bugs
add CCPool into extensions
fix bug on create a sequence objcet or a spawn object using new method
Merge pull request #1942 from wuzhiming/ccpool

add CCPool into extensions
Merge pull request #1943 from AaronRZH/develop

fix bug on create a sequence objcet or a spawn object by using new method
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop-cocostudio