Add index.html link, minor cleanup of startup code.
Merge remote-tracking branch 'origin/master' into tweak-d3cs

Conflicts:
	Source/Scene/PolylineCollection.js
Move D3 to the ThirdParty folder where it belongs.
Fix fullscreen widget to include D3 graph.
Merge remote-tracking branch 'abwood/d3cs-hackathon' into tweak-d3cs
Merge pull request #1 from emackey/tweak-d3cs

Tweak d3cs demo