Added the bare bones of Aguadilla.
This introduces the ability to pull in maps (using Mapbox, or OpenStreetMap) with terrain elevation.
Lots to do still. In particular, I need a 3D track editor. Also...
This is the track stabilized. There seems to be both periodic brightness changes, and matching periodic heading changes, consistent with something the flies by flapping wings, like a bird or bug.
The speed seems more consistent with a bug.