Mapper TODO
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* Async track and route save/open
* Finish the audio note taking system
* Add printing of current map display
* Store track points in a database (tracks -> points)
  - Exporting GPX tracks with filter from the database
* Updating OSM data by downloading using API
* Exporting added POIs to GPX and OSM
* Uploading GPX track logs directly to OSM
* Add (simple) OSM data editing
  - Fixing of way names, ref, int_ref and type
  - Exporting updated ways to OSM (.osm and/or API ?)
* Add routing using OSM data
* Support GeoClue
* Support gypsy
* Use bluez dbus proto for bt handling