Merge pull request #7593 from heliclei/pull-request-builder

[ci skip][jenkins]merge pull request to latest baseline before build
Merge pull request #7532 from lite3/object_to_luaval

replace dynamic_cast to std::is_base_of
[ci skip]
[ci skip]
Add missing space in function definition
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-newaudio
chang module name for windows project file
Merge branch 'v3' into v3_windowChangeModule
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
Add Feature #5633:EventMouse should support getDelta, getDeltaX, getDeltaY functions
Merge pull request #7590 from andyque/fixWidgetContentSize

Simplify Widget ContentSize cascade change algorithm
Merge pull request #7052 from gin0606/videoPlayerScaleIssue

Fix video scale issue in iOS
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Merge pull request #7597 from Dhilan007/v3-video-android

Fix the size of VideoPlayer is incorrect on android.
[ci skip]
Merge pull request #7585 from wagulu/patch-1

Update CCParticleSystem.cpp
Merge pull request #7594 from boyu0/image_premulti_alpha_refactor

Image premultiplied alpha refactor