replace CC_SAFE_RELEASE to CC_SAFE_RELEASE_NULL
Wrong search path fix for CocoStudioTest/SceneTest
Merge pull request #4909 from dumganhar/develop

Wrong search path fix for CocoStudioTest/SceneTest
Merge pull request #4907 from chuanweizhang2013/develop

modify lua template mistake and create_project bug
Merge pull request #4911 from chengstory/fixesBugs_Develop

Fixes bugs on cocos2dx 3.x
fix crash in UnitTest.cpp on vs.
Merge pull request #4915 from Dhilan007/develop_crash

fix crash in UnitTest.cpp on vs.
Don't test Map<K,V>::bucketCount since it's platform dependence.