box outline
box outline tests
cylinder outline
Remove references to the context in preparation for move to web worker.
Merge branch 'master' into geometryWebWorker
Add a taskDispatcher that farms out tasks to multiple other workers by inspecting the parameters, requiring in the module, and routing the event.
Move more stuff around for move to web worker.
Fix pick clear color
Add geometry batching pipeline to a web worker.
Merge branch 'master' into outlineGeometry
outline polygon
outline extent
change extent extruded params
Merge branch 'master' into geometryWebWorker

Conflicts:
	Source/Core/GeometryPipeline.js
Fix draw call by passing the value of the primitive type to drawElements/drawArrays.
ellipse outline
Re-add per instance attributes and also move that to the web worker.
Re-add bounding spheres.
circle outline
Re-enable editing of per-instance geometry attributes.