issue #4629: add test case for group command
issue #4629: test case add a spriteInGroup instead of sprite, the sprite can not be seen now
closed #4629: fix bug for group command
closed #4629: remove unused _renderStack
[ci skip], add get package size in cocos-console-test.py.
closed #4703, Solve the incorrect effect of test case : RenderTexture test issue 937.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into issue4703
add wait/send/addCommand function for manual-console in lua_cocos2dx_manual.cpp.
close #4721:clone for EventListeners of lua didn't clone the related property
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into develop_new_label
Merge pull request #6175 from shujunqiao/cocos-console-test-package

[ci skip]add get package size in cocos-console-test.py.
Merge pull request #6183 from natural-law/issue4703

Solve the incorrect effect of test case : RenderTexture Test issue 937
closed #4659:Remove the usage of OpenSL
= [FIX]: HTTPClient should not report 2xx status codes as errors!
Merge pull request #6185 from natural-law/develop

Add environment variable into file .bashrc on Linux.
Merge pull request #6184 from shujunqiao/lua-manual-console

[lua] add wait/send/addCommand function for manual-console in lua_cocos2dx_manual.cpp
Merge pull request #6188 from Mazyod/develop-cocos2dx

[FIX]: HTTPClient should not report 2xx status codes as errors!
Update AUTHORS [ci skip]
Update CHANGELOG [ci skip]
Merge pull request #6187 from Dhilan007/develop_activity

closed #4659:Remove the usage of OpenSL