Standardizes how name is represented globally (#4132) ...

* Standardizes how pixi is represented as a name, adds missing meta jsdoc fields

* Replaces more missing instances

* Missing package.json description

* Fixes contributing with brand

* Cleanup the repository mentions in contributing doc

premultiply blendModes, critical for compressed textures. (#4033) ...

* premultiply blendModes, critical for compressed textures.

* sprite renderer batch blendmode fix

* derp fix

* move some stuff to table

* fix default export

* derp

* ternary and fix