refactor object renderers to be out of core renderer

More updates ...

changed function to objectRenderer instead of objectRendererer
Removed renderTilingSprite from Sprite Renderer

bunch of updates ...

Fixed bracket issues
Renamed webGLSpriteBatch to SpriteRenderer
Renamed / refactored webGLGraphics to GraphicsRenderer
Tweaked Shaders default attributes

Merge branch 'dev-rewrite' of https://github.com/GoodBoyDigital/pixi.js into dev-rewrite ...

Conflicts:
	src/core/primitives/Graphics.js
	src/core/renderers/webgl/WebGLRenderer.js

sprite render change

regex replace braces to newline

fixup some forgotton spots

Removed the parent check in updateTransform ...

little perf increase by avoiding having to check if every displayObject
has a parent

Merge branch 'dev-rewrite' of https://github.com/GoodBoyDigital/pixi.js into dev-rewrite

Fixed graphics ...

also tweaked renderWebGL so that it calls _renderWebGL, but this
function should probably be renamed..

add some docs for shader types

fix fast shader to color properly

don't recalculate vertSize in bytes each time

got textures binding correctly and webgl works

add backgroundColor to canvas; fix places I forgot to update

fix issues with shaders not compiling properly

fix small build/run issues

move fastSpriteBatch to renderer; add some docs

remove renderSession code; only pass renderer in ctor

move TextureUvs to textures/

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

update colorAttribute to be aColor

fix some require paths that changed with some refactoring

fix some jshint issues

rename shader classes

merge #1192, allow filters to go 'offscreen'

minor tweaks to shader attrs

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