Fix video scale issue in iOS
Optimize FPS control algorithm under Android.
Update CCParticleSystem.cpp

diff is base on WorldSpace, when you scale scene,you will get the wrong value.
Fix: Application::setAnimationInterval() not implemented.
Update CCParticleSystem.cpp
Fix Scale issue on cocos2d-x cpp-test
fix remove self in Widget touch callback issue
fix warn
minor modification of tests
Simplify Widget ContentSize cascade change algorithm
Fix void* casting
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-newaudio
delete Image::_preMulti, Deprecate Image::isPremultipliedAlpha(), change Image::hasPremultipliedAlpha() meaning.
Deprecate Texture2D::PVRImagesHavePremultipliedAlpha(), move Texture2D::PVRImagesHavePremultipliedAlpha() to Image.
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-newaudio
Fix the size of VideoPlayer is incorrect on android.
Merge pull request #7588 from Dhilan007/v3

fix warn
Change Image::PVRImagesHavePremultipliedAlpha() to Image::setPVRImagesHavePremultipliedAlpha()
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-newaudio
Merge pull request #7590 from andyque/fixWidgetContentSize

Simplify Widget ContentSize cascade change algorithm