Delete uneeded sandcastle example.

Fixes #2146
Merge pull request #2163 from AnalyticalGraphicsInc/delete-profile-halfdome

Delete uneeded sandcastle example.
Merge pull request #2148 from AnalyticalGraphicsInc/geojson-heights

GeoJson fixes and cleanup
Merge remote-tracking branch 'origin/master' into maki
Merge branch 'maki' into simplestyle