Fixed a bug of cc.LayerGradient that it doesn't work when constructor parameter is null.#2735

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dingpinglv merged 2 commits intococos2d:developfrom

dingpinglv:Iss2698_namespace

Mar 13, 2015

Commits on Mar 13, 2015

Fixed a bug of cc.LayerGradient that it doesn't work when constructor parameter is null.
dingpinglv
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Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2698_namespace
dingpinglv
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