Basemap options - updates (clean up)

[vdeparday]

For OSM, I think it is fine with that it is there besides Mapquest. Then maybe we should add Bing or Google Sattelite to replace Mapquest Sattelite.

[stufraser1]

• [ ] remove mapquest imagery - redundant and nonfunctioning.
• [ ] remove mapquest OpenStreetMap - redundant and nonfunctioning.
• [ ] Capitalize MapBox
• [ ] Add Google Satellite or equivalent