Fixed #2072 optimize performance for javascript
add cc.LoaderScene Class
Fix of CocosNodeTest.js and EffectAdvancedTest.js for JSB.
add cc.LoaderScene Class
Merge pull request #150 from ShengxiangChen/iss1658_multiSceneLoading

fixed #1658 : add cc.LoaderScene Class
Merge pull request #151 from dumganhar/test-fix

Fix of CocosNodeTest.js and EffectAdvancedTest.js for JSB.
Advanced test works on cocos2d-iphone JSB
fixed #2082 add two tests to ParticleTest, corrected some mistakes of ClippingNodeTest
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into Iss2082_FixSomeBugs
Merge pull request #153 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 add two tests to ParticleTest, corrected some mistakes of ClippingNodeTest
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
fixed #2082 correct a mistake of preload resource list for JSB
Merge pull request #155 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 correct a mistake of preload resource list for JSB
fixed #2082 Add a file to build.xml
Merge pull request #156 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 Add a file to build.xml
fixed #2082 remove ActionOrbit from arrayOfActionsTest when renderer is Canvas
Merge pull request #157 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 remove ActionOrbit from arrayOfActionsTest when renderer is  Canvas
fixed #2082 Add a file to build.xml