issue #4150:  Correct body position with the node has a parent. Add set/getPosition/Rotation method.
issue #4150:  Add physics position/rotation test
closed #4150:  Delete PhysicsBodyInfo::set/getPosition/Rotation method.
closed #4150:  Fix missing "!"
add install.py
check validation of ndk root
closed #4150:  add const to getPosition/RotationOffset method.
fixed add ParticleSystem display crashed
Merge pull request #5493 from boyu0/bug4150_physics_position_rotation

closed #4150: fix physics position and rotation bug.
fixed #3599. use a scheduler to fix the position of editbox when it's parent postion has been changed
Merge pull request #5513 from 2youyouo2/develop

fixed CocoStudioTest/ArmatureTest crashes.
Merge pull request #5486 from andyque/bug3599

fixed #3599. add adjustTextFieldPosition function call to the visit method
Update CHANGELOG [ci skip]
Merge pull request #5511 from minggo/install

create install.py to set environment variables needed by cocos2d-x
Merge remote-tracking branch 'upstream/develop' into develop

* upstream/develop:
  Update CHANGELOG [ci skip]
  fixed #3599. use a scheduler to fix the position of editbox when it's parent postion has been changed
  fixed add ParticleSystem display crashed
  closed #4150:  add const to getPosition/RotationOffset method.
  check validation of ndk root
  add install.py
  closed #4150:  Fix missing "!"
  closed #4150:  Delete PhysicsBodyInfo::set/getPosition/Rotation method.
  issue #4150:  Add physics position/rotation test
  issue #4150:  Correct body position with the node has a parent. Add set/getPosition/Rotation method.
Fix Timer::cancel always call Director::getInstance()->getScheduler() even in another Scheduler;
Merge branch 'feature/fix_timer_cancel_bug' of https://github.com/bmanGH/cocos2d-x into feature/fix_timer_cancel_bug

* 'feature/fix_timer_cancel_bug' of https://github.com/bmanGH/cocos2d-x:
  Fix Timer::cancel always call Director::getInstance()->getScheduler() even in another Scheduler;