Fix camera tilt in ICRF.
Update CHANGES.md.
Tweak CHANGES.md
Merge pull request #1516 from AnalyticalGraphicsInc/tiltICRF

Fix camera tilt in ICRF.
Remove unused modules.

Also sort modules, remove a few unused other variables, whitespace cleanup.
Merge pull request #1517 from AnalyticalGraphicsInc/removeUnusedModules

Remove unused modules.
Add polyline loops.
Add Sandcastle example.
Add tests.
Update CHANGES.md.
Tweak CHANGES.md
Add second parameter to Material.fromType to override default uniforms.
Merge pull request #1521 from AnalyticalGraphicsInc/polylineLoop

Polyline Loop
Merge branch 'master' into materialUniforms

Conflicts:
	Apps/Sandcastle/gallery/Polylines.html
Update after merge.
Update CHANGES.md.
Tweak CHANGES.md
Merge pull request #1522 from AnalyticalGraphicsInc/materialUniforms

Material.fromType uniforms
Merge remote-tracking branch 'origin/master' into gltfDefaults