Fixed #2072 optimize performance for javascript
Merge pull request #160 from rohankuruvilla/master

Adding automation tests for Layer
fixed #2144 add a ParticleBatchNode testcase to tests
fixed #2144 add a ParticleBatchNode testcase to tests
Merge pull request #162 from dingpinglv/Iss2144_RewriteParticleBatchNode

fixed #2144 add a ParticleBatchNode testcase to tests
fixed #2148 fixed two bugs of ChipmunkTest that cc.Menu remain touchable after replaceScene
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js-tests into Iss2148_FixCCMenuBug
Merge pull request #163 from dingpinglv/Iss2148_FixCCMenuBugForChipmunk

fixed #2148 fixed two bugs of ChipmunkTest that cc.Menu remain touchable after replaceScene
Add AutoTest for Node tests
fixed #2158 fixed a bug of CocosNodeTest that NodeToWorld testcase can't see anything when zOrder of the "back" sprite has been set to -10
Add AutoTest for Node tests
Merge pull request #165 from dingpinglv/Iss2158_FixOrbitCameraBug

fixed #2158 fixed a bug of CocosNodeTest
Merge branch 'master' of cocos2d-js-tests into Iss2072_JSPerformanceImprovement
fixed #2072 replace deprecated function name with new function name
issue #2218 Add AutoTest for Tile map test
issue #2156 readPixels implemented on canvas yet
issue #2156  Add AutoTest for Node tests
issue #2218 TileMapTest AutoTest support JSB
issue #2156 NodeTests AutoTest support JSB
issue #2156 Convert To Node Space in canvas have error