Add Test Case: LayerColor should not occlude sprites and labels when depth test is true
Adding clang build for travis ci.
[AUTO] : updating submodule reference to latest autogenerated bindings
issue #3643:Lua websocket can't receive more than 64 bytes of data
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developNewUI
updates CC and CCX env variables
Merge pull request #5014 from CocosRobot/updategeneratedsubmodule_1389259028

[AUTO] : updating submodule reference to latest autogenerated bindings
Exports CC and CXX for gcc and clang.
Merge pull request #5006 from dabingnn/develop_layerColorDepthTestOccludeBugcase

Add Test Case: LayerColor should not occlude sprites and labels when dep...
Merge pull request #5013 from dumganhar/linux-clang

[travis ci] Adding clang build for linux.
Merge pull request #5015 from samuele3hu/developNewUI

closed #3643:Lua websocket can't receive more than 64 bytes of data
Merge branch 'develop' into develop_nutty_modify_framework_removeuselesssample