install.py -> setup.py
fix: controlSwitch Bug
Merge branch 'develop' into develop_fixControlSwitchBug

* develop:
  Adds EventListenerTouchOneByOne::isSwallowTouches, fixes a typo for Director::EVENT_AFTER_UPDATE.
  Feature #4236: Refactor is/setFlipX/Y to is/setFlippedX/Y in gui classes
fix: shader RetroTest by using new label
Move Box2dTestBed step method to onDraw
issue #3629:new label support customize the effects such as Shadow[blur is unsupported], Outline
Delete Box2DView::tick() method.
Merge pull request #5563 from lihex/develop

update submodule
remove unused shader and also did adjust FontAtlas::getTexture
make setup script more smart
Merge pull request #5564 from minggo/install

make setup script smart
Merge pull request #5562 from Dhilan007/develop_label

issue #3629:new label support customize the effects such as Shadow[blur is unsupported], Outline
Merge pull request #5555 from dabingnn/develop_fixControlSwitchBug

Develop fix control switch bug
add
Update the reference of submodule "plugin".
Merge pull request #5557 from dabingnn/develop_fixRetroTest

fix: shader RetroTest by using new label
Merge pull request #5561 from boyu0/v3.0_final_test

Move Box2dTestBed step method to onDraw.
Merge pull request #5565 from natural-law/develop

Update the reference of submodule "plugin".
remove wrong sub-title
Merge pull request #5566 from minggo/dev-test

remove wrong sub-title