getIntervals should be intervals.
Merge branch 'master' into dynamicPath-crash
Add Navigation Help widget.
Fix incorrect example and destroy method.
Tweak instruction text.
Make help window slightly smaller.
Changes from review.
Fix copy/paste error.
Merge branch 'master' into dynamicPath-crash
Fix path visualization when using composite properties.
Start of path subsampling specs.
DynamicPathVisualizer specs and fixes

Unit test a bunch of untested code and fix issues discovered.  There are still issues that need to be addressed.
More specs and fixes for path visualization.
Merge remote-tracking branch 'origin/master' into mouseInstructions

Conflicts:
	CHANGES.md
Minor tweaks.
Handle path resolution of 0 (and invalid negative values).
Add specs for NavigationHelpButton.
Merge pull request #1621 from AnalyticalGraphicsInc/mouseInstructions

Add Navigation Help widget.
move central body
add imageryLayer, terrainProvider to scene