DisplayObject.setParent: Return the Container instead of the DisplayObject

fixes wrong jsdoc param name

Changed totalSegs in GraphicsRenderer buildCircle from 40 to a dynamic value that depends on the radius of the circle, see issue #1928

Add DisplayObject.setParent

Fix issue #1943 ...

Fix issue where cannot revert tint in Canvas Renderer https://github.com/pixijs/pixi.js/issues/1943

Fix issue #1943 ...

Fix issue where cannot revert tint on CanvasRenderer https://github.com/pixijs/pixi.js/issues/1943

Bugfix for arc, always use startX and startY as first point.

Fix bug #1999 ...

Fixed bug #1999 - RenderTexture.render() does not handle Martix when using CanvasRenderer

Revert "update mask transforms; fixes #1978" ...

This reverts commit c8244ed.

update mask transforms; fixes #1978

properly set dirty for cloned graphics; fix #2003

Rebased fixes for canvas masking/renderMode

hint free; checked out bin from upstream/dev

Merge pull request #1992 from bchevalier/particleContainerRefactor5 ...

[Enhancement] Improved performance of adding and removing particles

* Fixed doc

expose EventEmitter in utils

Update RenderTexture docs.

Massive documentation update; fixes many issues. ...

Issues fixed by these documentation updates:

- #1973, fixed filter and BitmapText property docs
- #1908, fixed type reference links
- #1856, fixed name of MeshShader

fix a merge error from merging #1990

* Improved performance of adding and removing particles to ParticleContainer

Merge pull request #1833 from JiDW/tilingspritetrim ...

Fix tilingsprite from a spritesheet

Merge pull request #1925 from mreinstein/dev ...

update stale DisplayContainer docs. Remove broken normal filter.

Fix issues with multiple ParticleContainers; #1989 ...

This rebases the commits in #1989 to squash them into a single commit and
to remove the extra merge commits in @bchevalier's repo.

Add callback for when children change; #1988 ...

This is a rebase of the commits in #1988 to squash it down to a single
commit and remove the extra merge commits in @bchevalier's repo.

add batchSize param to ParticleContainer; #1990 ...

This is a rebase of the commits in #1990 to squash to a single commit and
remove the extra merge commits in @bchevalier's repo.

fixed canvas renderer options bug; added roundPixels to default render options

fix iterator for VideoBaseTexture.fromUrls so that it finds the source and mime by index

Merge pull request #1944 from tiriana/feature/sprite-dimensions-for-negative-scale ...

Ensure that sprite width and height are never negative

changed sgn to sign

add missing drawCount increments