add functions for #1586
Merge branch 'master' into cartesian3
update sandcastle
update CHANGES.md
fix documentation
Fix geometries without indices
Ambient light workaround
Update CHANGES.md
Add specs for PrimitivePipline geometry packing.
Merge pull request #1675 from AnalyticalGraphicsInc/indices

Fix geometries without indices
Merge remote-tracking branch 'origin/master' into lighting

Conflicts:
	CHANGES.md
Merge pull request #1680 from AnalyticalGraphicsInc/lighting

Improve lighting
Added deprecationWarning
Update doc
3D -> heights
Use spyOn
Mark deprecationWarning as private.
Merge pull request #1681 from AnalyticalGraphicsInc/deprecationWarning

Added deprecationWarning
Merge branch 'master' into conciseCartesian3

Conflicts:
	CHANGES.md
Merge pull request #1671 from AnalyticalGraphicsInc/conciseCartesian3

Cartesian3 fromDegrees