Fix documents. (#3765) ...

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

[v4.4] fix SpriteRenderer for multiple webgl renderers, fix tests, add "withGL" (#3758) ...

* fix SpriteRenderer for multiple webgl renderers, fix tests, add "withGL"

* isWebGLSupported renamed to withGL

Added legacy option to webGL renderer (#3630) ...

* Added legacy option to webGL renderer

Setting ```legacy``` to true now forces VertexArrayObjects and
MultiTexture Batching to be disabled. We also store the variable on the
renderer just incase we want to use it to force settings in anything
else.

also added a test

* remove WebGLTests as they don't work on server

* Added extra param to Application

* Adds WebGL test for legacy

* Better check for WebGL in tests

Added a fix for the Chrome on android (#3656)

Improved documentation ...

Class member documentation improved via removal of unnecessary @memberofs - more members now show up in the docs.
Class getter/setter documentation improved using technique above, and also by removing documentation for setters. Documentation was only showing the setter docs, whereas the getter is where the important information is. JSDoc maintainers themselves recommend just doccing the getter jsdoc3/jsdoc#973
Documented a few classes to let devs know that they are automatically created by PIXI and added to renderer.plugins, like interactionManager and prepare

use high precision instead of medium, to fix bug in PowerVR G6200 (#3353)

fix eslint max-len (#3544)

Use `*._texture.*`to instead of`*.texture.*` (#3508) ...

it could offer a bit little performance gains.

limit alpha number to 255. at rendering. (#3511) ...

* limit alpha number to 255. at rendering.

Avoid alpha flickering when it passes 1.0

* added space after comma

Remove a needless space in annotation (#3497)

Update annotation: `SpriteBatch to SpriteRenderer` (#3496) ...

* Update annotation: `SpriteBatch to SpriteRenderer`

PIXP 4.x  no SpriteBatch

* more

fixed settings not being respected (#3315) ...

Discovered that using this kind of code:

```const { MY_SETTING } from settings;```

means that changing settings properties has no effect as the objects
are being set before the user changes them.

move CAN_UPLOAD_SAME_BUFFER to settings (#3309)

vertexCount is number of last used buffer (#3308) ...

* vertexCount is number of last used buffer. Always 0 in one "if" branch, 12345 in the other.

* fix for @GoodBoyDigital

* lints are still here :(

Moves constants that are actually settings (#3298) ...

* Made const that are setting writable

* Moved more items to the settings

Merge pull request #3289 from pixijs/lib-dist-builds ...

Build System, Babel and ES6 src

SpriteRenderer.destroy fix (#3280) ...

* add SpriteRenderer expectation

* destroy fix

* mock webgl

* added existence check prior to destroy

* allow immediate destroy

Removes glslify

fixed eslint errors

Added the extra bind to make this all work! ...

Also tweaked container to use renderer.flush instead of starting /
stopping objectRenderer.

Cache VAO states

Reduce redundant texture binds (#3258)

Dev texture states cacheing (#3201) ...

* minimal texture bounds pass 1

* cheeky opts

* tidy up code

* create empty textures

* added empty texture

* couple more tweaks

* fixed empty texture issue

* fixed tweaked so id's sit on glTexture

means it should work on multiple contexts

* tweaked unbound textures

* tidy up

* upped max textures to 4 for mobile!

also sending state to tiling sprite VAO

* removed _activeTetureLocation

* tweaked eslint

* make sure buffer is bound

* updates based on @englercj review points

- Added vertexCount back in as it still yields much faster results in
iOS
- Tidied old comments
- Replaced i++ with ++i

Huge refactor to match a new shiny eslint file.

Prefer const (#3002) ...

* added prefer-const rule to .eslintrc

* eslint const autofixes

* manual let to const changes; lint free;

* added brace style 'allman' to eslintrc

* brace style, comment fixes and default arg

* brace style fixes

* more brace styles

* Point default args

* Point brace styles

* Observable Point default args

* more brace styles

* jsdoc comment style

* brace style

* brace styles and small jsdoc fix

* brace styles

* removed unneeded eslint inline comment

* brace styles; lint free

some more es6 changes (#2969) ...

* some more es6 changes
- const instead of let if possible
- arrow functions
- string templates
- argument defaults

* object property shorthand

* some more es6 changes
- const instead of let if possible
- arrow functions
- string templates
- argument defaults

* Revert "Merge branch 'dev-es6-sb' of github.com:stbaer/pixi.js into dev-es6-sb"

This reverts commit 8d3af81, reversing
changes made to e8b9948.

* Revert "Merge branch 'dev-es6' into dev-es6-sb"

This reverts commit 3eeaf79, reversing
changes made to fb69536.

* Revert "Revert "Merge branch 'dev-es6-sb' of github.com:stbaer/pixi.js into dev-es6-sb""

This reverts commit c860228.

* fix RenderTexture, incomplete merge

* fix for text font properties

* reverted some changes

* checked out License, Readme and Contributinf from dev-es6

* editorconfig updated: 2 spaces for .eslintrc

* added eslint rule: spaces around fat arrow

* used eslint fix for consistent spaces around fat arrow

* don't allow scale.x or scale.y to be 0 in displayObject setTransform

* removed jshint comments (again)

Merged with 'dev' ...

# Conflicts:
#	src/core/Shader.js
#	src/core/graphics/Graphics.js
#	src/core/math/shapes/Rectangle.js
#	src/core/renderers/webgl/managers/FilterManager.js
#	src/core/sprites/webgl/generateMultiTextureShader.js

Update imports and exports, getters and setters

Disallow the use of `var`

Implementing classes using the new ES6 syntax (#2936) ...

* Migration to ES6 classes

* Migration to ES6 classes

* Migration to ES6 classes

* Migration to ES6 classes

* Using babelify to transpile ES6 code

* Adding babel-preset-es2015 in devDependencies