fixed #2082 preload some resource for PerformanceSpriteTest
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into Iss2082_FixSomeBugs
Merge pull request #154 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 preload some resources for PerformanceSpriteTest