minor perf increase for updateTransform

got textures binding correctly and webgl works

add backgroundColor to canvas; fix places I forgot to update

fix update transform for DO so it can be root

fix issues with shaders not compiling properly

fix small build/run issues

fix #1055, add clone method to Graphics (untested)

move fastSpriteBatch to renderer; add some docs

remove renderSession code; only pass renderer in ctor

move TextureUvs to textures/

Add some docs for source

remove need for global webglRenderers array

add removeView to webgl destroy; default it to false in both renderers

fix #984, null errehthing on webgl renderer destroy

Add dispose method

update colorAttribute to be aColor

fix some require paths that changed with some refactoring

fix some jshint issues

rename shader classes

merge #1313, fix multi-path masks in canvas

merge #1186, implement fixes for video texture in FF

move primitives back into core

Fix typo in fromImage logic ...

This bug was introduced in 1a96f90

merge #1192, allow filters to go 'offscreen'

minor tweaks to shader attrs

merge #1052, fix EJECTA issue where renderbuffer isn't reset

merge #1113, reuse code in autoDetectRecommendedRenderer

merge #1171, use gl.isContextLost()

merge #1176, fix regression in RenderTexture

merge #1193, fixes for Base Texture loading code