Remove sample coverage to keep in sync with glTF 0.8
Update model tests for glTF 0.8 update
Merge remote-tracking branch 'origin/master' into gltf-8-tweaks
Start of DataSource support for geometry outline width

1. Add `outlineWidth` property to all geometry graphics objects.
2. Update Updaters to expose outline information.
3. Fix issues in DataSource geometry specs.
Remove duplicate positions from polylines.
Start of WEBGL_debug_shaders
Report when link fails
Fix deleteProgram
Do not modify the polyline positions passed in by the user.
Upgrade knockout to 3.2.0

https://github.com/knockout/knockout/releases/tag/v3.2.0
Update CHANGES.md
Upgrade to CodeMirror 4.6

Everything works, except for autocomplete.  More cleanup and testing needed.
Fix Sandcastle autocomplete and doc support

Also remove Cesium-hint.js as it's no longer needed.
Update CHANGES.md

Also remove uneeded CSS class.
Fix gutters.
Only return a new array is duplicates were found.
Merge remote-tracking branch 'origin/master' into codemirror-4.6

Conflicts:
	CHANGES.md
Merge remote-tracking branch 'origin/master' into knockout-3.2.0

Conflicts:
	CHANGES.md
PolylinePipeline.removeDuplicates clean up.
Merge pull request #2196 from AnalyticalGraphicsInc/polylineDuplicates

Remove duplicate positions from polylines.