Clean up returns whitespace
Remove doc links to czm_ GLSL identifiers
Merge master to refdoc-2
Fix reference doc readonly/constant
Merge branch 'master' into refdoc-2
Clean up use of see in reference doc
Rollback cesiumWorkerBootstrapper
Better use of multiple examples in reference doc
Merge master to refdoc-2
Merge remote-tracking branch 'origin/master' into refdoc-3
Better ICRF code example
Reference doc for Appearance options
Document primitive exceptions
Merge master to refdoc-2
Merge branch 'refdoc-2' into refdoc-3
Merge branch 'refdoc-3' into refdoc-4
Merge pull request #1782 from AnalyticalGraphicsInc/refdoc-2

Minor reference doc cleanup
Merge pull request #1787 from AnalyticalGraphicsInc/refdoc-3

Use multiple example tags in reference doc
Merge pull request #1792 from AnalyticalGraphicsInc/refdoc-4

Primitive reference doc improvements
Merge remote-tracking branch 'origin/master' into polylineGlow

Conflicts:
	CHANGES.md