Fixes priority adding of ticker listeners (#3958)

Fixes issue with addOnce on ticker (#3938)

Fix destroyed textures throwing errors when destroyed again. (#3931)

Fixes missing docs (#3925)

Measure Text API, expanded (#3921) ...

* Added TextStyle.measure function (Applies to https://github.com/pixijs/pixi.js/issues/3903).

* Moved measure function from TextStyle to Text and made static.

* Updated JSDocs.

* Updated JSDocs again.

* Updates based on suggestions by @bigtimebuddy in PR.

* Created PIXI.MeasuredText to capture all the information for measuring text.

* Fixes for ESLint

* Fixes for ESLint

* Added PIXI prefix to returning MeasuredText.

* Added import for MeasuredText in Text.js.

* Refactored MeasuredText to TextMetrics and moved `measure` function into it.

* Forgot to move Text.wordWrap to TextMetrics.wordWrap

* Further cleanup of TextMetrics.

* Fixes suggested by @bigtimebuddy

* Removed clone and equals from TextMetrics as they are unnecessary.

* Destructured references to TextMetrics instance in Text and privatized TextMetrics.wordWrap.

* Deprecates calculateFontProperties & getFontStyle

* Moved getFontStyle to TextMetrics

* Made toFontString method on TextStyle

* Cache calls made to context.measureText for individual characters

* Use a smaller (10x10) canvas for TextMetrics

Improvements to how and what is stored in the texture caches. (#3834) ...

* Improvements to how and what is stored in the texture caches.
Built upon the good work from https://github.com/pixijs/pixi.js/pull/3789
+ For Text, the base textures were in the BaseTextureCache, but textures weren't in the TextureCache. This has been fixed
+ Now able to tell the BaseTexture the origin of where the canvas being passed through has come from. ie. was it from the text class? was it from the graphic class? was it from caching as a bitmap? More information now to track where these canvases (canvii??) have been generated from
+ BaseTexture has addBaseTextureToCache and removeBaseTextureFromCache functions, to match regular Texture. Any adding or removing to the BaseTextureCache is now through these functions

! Breaking change. When you call Texture.fromTextureFromCache - it no longer automatically removes it's base texture from the base texture cache. Not sure how people feel about this

? I don't like lines 233 to 236 in Texture.js, and line 591 in BaseTexture.js - I don't see why they are there or why they are needed, but I chickened out on removing them!

* Renaming function to more generic names

* Adding deprecation layer

* Fixed trying to add texture to BaseTexture cache causing unit test fail

* Fixed reading from the wrong cache

* Able to remove textures and base textures from their caches via object instances
Added debug warning if trying to add a texture to a cache id that already exists
Added unit tests

* Default string for texture origin

* Different object creation style

* textureCacheId is now an array of potential entries

* textureCacheId changed to textureCacheIds

* Removed unneeded string creation

Documents events for DisplayObject, renderers, Texture and BaseTexture (#3922) ...

* Documents events for DisplayObject, renderers, Texture and BaseTexture

* Converts to single-line event syntax

* Adds mouse/touch/pointer events for DisplayObject, fixes typo, adds interactive and interactiveChildren

* Added missing params on touchcancel and pointercancel

* Better helper docs for DisplayObject and Container

* Fix lint

* Removes mixin doc for PIXI.interaction.interactiveTarget

* Added more explicit types for `originalEvent`

* Fixes lint issue

Application loader support (#3909) ...

* Added app.loader mixin, deprecates PIXI.loader, adds Loader.destroy

* Don't deprecate PIXI.loader

Adds namespace code examples (#3914) ...

* Adds namespace examples

* Fixes lint errors

Documentation Updates: namespaces & plugins (#3907) ...

* Better job documenting plugins and namespace

* Fixes linting errors

* Disabling hardwrap because of ESlint

* @readOnly becomes @readonly

* Fixes description, adds link, more info about excluding plugins

* Missed description

* Fixes typos

* Adds missing word

Hot-fix for Ticker's destroy (#3904) ...

* Fixes an issue when destroying ticker on callback

* Handles more cases when destroying

Adds Ticker priority argument (#3859) ...

* Adds ticker priority

* Removes EventEmitter dependency from ticker

* Small optimization to avoid Function.call

* Changes ticker priority with UPDATE_PRIORITY const

* Fixes linting

* Use a linked list approach to ticker listeners

* Oops fixes test

* Minor fixes

* Removes unnecessary destroy check

* Minor optimizations

* Adds memory clean-up to Ticker

* Updated documentation

* Rename local `last` to `previous`

Merge branch 'master' into dev

autoFit temporary fix (#3894) ...

* autoFit temporary fix

* one line

Merge branch 'master' into dev

WHITE and EMPTY weren't truly clean textures (#3872)

Refactor: extract variables & fix doc (#3585) ...

* Refactor: extract variables & fix doc

* cosmetic

* Merge the changing of #3656

* Update SpriteRenderer.js

* Update SpriteRenderer.js

Should not apply padding when trimmed (#3858)

Small Texture Cache enhancements (#3789) ...

* Textures track cache id and remove from cache in destroy.

* Added tests related to texture cache contents.

Merge branch 'master' into dev

Fix preparation of destroyed items (#3802) ...

* Added isDestroyed to DisplayObject, BaseTexture. Don't prepare destroyed items.

* isDestroyed -> _destroyed, marked as private

Merge branch 'master' into dev ...

# Conflicts:
#	src/core/textures/Texture.js

default value for settings.SCALE_MODE was not respected in loader (#3… (#3797) ...

* default value for settings.SCALE_MODE was not respected in loader (#3787)

* how did we miss that?

Read `texture` via `_texture` directly in sprite (#3780) ...

* Use `*._texture.*` directly in Sprite.js

It could offer a bit little performance gains.
And  read texture via `_texture` is a common way/style in  PIXI.js

* Update CanvasTinter.js

* Update DisplacementFilter.js

* Update Graphics.js

Converts renderer options to object-only, but backward support (#3773)

default value for settings.SCALE_MODE was not respected in loader (#3787)

Little improve: Don't query `currentState` again (#3764)

Fix documents. (#3765) ...

The `vertSize` is 5 , but the content is not `positionX, positionY, colorR, colorG, colorB`.

Fix `the fault after merge` (#3766) ...

* Fix `the fault after merge`

* Remove duplicate comment

* Update Filter.js

* Update Filter.js

Pass `currentState` to filter.apply() (#3421) ...

* Pass ```currentState``` to filter.apply()

see https://github.com/pixijs/pixi.js/issues/3317 

If  pass ```currentState``` to filter.apply() , users could get more informations  (e.g. get current sprite by ```currentSprite = currentState.target```).
It's very useful when users create custom filters.

And the ```currentState``` is the last argument , and pass it won't break any filter already existed.

So I think this PR is safe and useful.

* Update annotation about currentState in Filter.js

* Use eslint-disable-line

* Update FilterManager.js

* Update Filter.js