add judgment for retaining m_actionSpawn
Merge pull request #3751 from samuele3hu/master_test

[ci skip]Commentate the definition of GL_STENCIL_INDEX
[master] JSB fixes after changing the JS-Test submodule URL.
Merge pull request #3752 from dumganhar/jsb-build-fix-master

[master] JSB fixes after changing the JS-Test submodule URL.
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #3753 from CocosRobot/updategeneratedsubmodule_1379917751

[AUTO] : updating submodule reference to latest autogenerated bindings[ci skip]
fixed action node crash
change to use CC_SAFE_RELEASE_NULL and  CC_SAFE_RETAIN
Merge pull request #3756 from liamcindy/master

change to use CC_SAFE_RELEASE_NULL and CC_SAFE_RETAIN
Merge branch 'master' of https://github.com/cocos2d/cocos2d-x into master_test