History for pixi.js / src / pixi / renderers / webgl / utils / WebGLFastSpriteBatch.js

Added optimised sprite rendering in canvas implementation of
SpriteBatch.
Added tempMatrix to graphics object to avoid new matrix creation each
render

Added new Sprite Batch for fast rendering - pushes transforms to the GPU
Added setAttribs function to manage VertexAttribArrays in webGL
Modified Point.set function