update ui in billboards, labels, camera and materials
update outdated pictures
add GeoJSON/TopoJSON example
cleanup
Create SampleData folder
Merge branch 'master' into scrubSandcastle
cleanup
fix camera demo
Keep Norton from hiding the globe.
Merge branch 'master' into scrubSandcastle
move models
Merge pull request #1913 from AnalyticalGraphicsInc/htmlHeight100Percent

Keep Norton from hiding the globe.
Merge pull request #1905 from AnalyticalGraphicsInc/scrubSandcastle

Update UI in Billboards, Labels and Camera Sandcastle examples
Merge branch 'master' into polylineArc