Replace `tabs` char on 4 `spaces` chars in examples
Replace `==` on `===` in examples
merge #1018; replace tabs with 4 spaces in examples
Merge branch 'PixxxeL-box2d-example' into dev
Add example #24 of rigid body physics Box2DJS integration
Merge pull request #1019 from PixxxeL/box2d-example

Add example # 24 of rigid body physics Box2DJS integration
fix cacheAsBitmap alpha issue for canvas
Merge pull request #1020 from kambing86/dev

fix cacheAsBitmap alpha issue for canvas
Function.bind() polyfill should return the bound function's return value.
fixes #1023 - PIXI.Graphics initial width and height is 0
Merge pull request #1030 from krzysztof-o/graphics_initial_size

fixes #1023 - PIXI.Graphics initial width and height is 0
Merge pull request #1029 from benchling/fix-fn-bind

Function.bind() polyfill should return the bound function's return value...
Merge branch 'dev' of github.com:TrompoGames/pixi.js; branch 'dev' of github.com:GoodBoyDigital/pixi.js into dev