Start creating a very simple CesiumWidget to replace the Dojo-based one.
Switch Sandcastle examples to new standalone CesiumWidget.
Merge branch 'master' into cesium-widget
Render polylines in a single pass (no outline).
Start adding polyline width.
Polyline width tweaks.
Displace polyline vertices in the vertex shader to add width.
Merge branch 'master' into polylineMaterials
Tweak displacement magnitude in polyline vertex shader.
Fix polyline endpoints.
Fix line flickering across the viewport.
Update buffers instead of creating new ones.
Tweak polyline position direction. Move function to convert from spherical to cartesian coordinates to built-in functions.
Modify polyline vertex position in eye coordinates instead of window coordinates.
Add doc. Fix/add tests.
Start adding encoded colors to polylines. There is still an issue with color components of 1.0, but not less than 1.0.
Merge remote-tracking branch 'origin/master' into cesium-widget

Conflicts:
	build.xml
Merge branch 'master' into polylineMaterials
A 32 bit floating point can only encode the 8 bits for the red, green, and blue components. Add doc and tests.
Encode polyline color alphas separately.