Add a new SVG helper class.
Convert the Home button to use SvgPath.
Convert FullscreenButton to an SvgPath.
Convert BaseLayerPicker to use svgPath styling.
Merge remote-tracking branch 'origin/master' into svgPath
First crack at SceneModePicker with SvgPath.  Work in progress.
Fix some issues with SceneModePicker and wireup.
Fix tests.
Merge remote-tracking branch 'origin/master' into svgPath
Merge remote-tracking branch 'origin/master' into svgPath
Workaround Firefox issue.
Fix Chrome breakage after Firefox workaround.
Merge remote-tracking branch 'origin/master' into svgPath
Update CSS dependencies and CHANGES.md
Merge remote-tracking branch 'origin/master' into svgPath

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

Conflicts:
	CHANGES.md
Fix documentation.  clockViewModel is required.
Document default value for flightDuration.
Avoid allocating an extra Clock instance unnecessarily.
Add David Hite to the individual CLA list.