Add placeholder for device import/export.

This makes text show up better on map images

This map is an absolute necessary for navigating the northern parts.

Adding a dialog telling the user the map cache database has been reset.

Adding a dialog telling the user the map cache database has been reset.

- Max tile download count now handled here
- Fixed signaling problems

- Offline maps new set defaults to default map type
- Plan/Fly views use MapScale control

Remove spurious debug message.