fixing typo in Graphics -- drawElipse should be drawEllipse.
deprecated and backward-compatible.
adding flip horiz/vert for UVs in TilingSprite
updating canvas tiling for flipX/flipY
testing advanced shader; abstracting batch rendering
Merge branch 'culling' of https://github.com/mattdesl/pixi.js into jam3-merge

Conflicts:
	bin/pixi.dev.js
	bin/pixi.dev.js.map
	bin/pixi.js
	src/pixi/extras/TilingSprite.js
adding some fixes for multi-texture batch
removing old batch renderer and using subclassed one instead; defaulting to BATCH_GROUPS mode
Merge branch 'culling' of https://github.com/mattdesl/pixi.js into jam3-merge

Conflicts:
	bin/pixi.dev.js
	bin/pixi.dev.js.map
	bin/pixi.js
	src/pixi/renderers/webgl/WebGLRenderer.js
	src/pixi/renderers/webgl/utils/WebGLAdvancedBatch.js
	src/pixi/renderers/webgl/utils/WebGLSpriteBatch.js
updating build
fixing merge problem with jam3 timing stuff
fixing bug with multi texture batcher
Merge branch 'culling' of https://github.com/mattdesl/pixi.js into jam3-merge

Conflicts:
	bin/pixi.dev.js.map
	bin/pixi.js