closed #3224: The subthread of CCHttpClient interrupts main thread if timeout signal comes.
fixed ui anmation crash when stop animation
HotFix: fix bug spine alpha blend error
Merge pull request #4318 from dumganhar/iss3224-httpclient-crash

[ci skip][Critical BUG FIX] closed #3224: The subthread of CCHttpClient interrupts main thread if timeout signal comes.
[ci skip]
fix miss bind setGrid\getGrid for JS.
Merge pull request #4319 from liamcindy/develop

[ci skip]fixed ui anmation crash when stop animation for develop branch
[AUTO] : updating submodule reference to latest autogenerated bindings
HotFix: change tab to space
Merge pull request #4324 from CocosRobot/updategeneratedsubmodule_1384828843

[ci skip][AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #4323 from Dhilan007/jssubmodule

[ci skip]fix miss bind setGrid\getGrid for JS.
Merge pull request #4322 from dabingnn/develop_hotFix

[ci skip]HotFix: fix bug spine alpha blend error
HotFix: fix CCB particle alpha blend
HotFix: change tab to space
HotFix: fix CCB particle alpha blend-> setBlendAddictive after set texture
fix CCArmature display wrong on mac version
HotFix: use static cast for format conversion
Merge pull request #4326 from dabingnn/develop_hotFix

[ci skip]Develop hot fix
fix if last frame has tween effect, armature may display wrong
Merge pull request #4328 from 2youyouo2/develop

[ci skip]update armature