Add OpenSeaMap tile server.
Correct the duration calculation for a track.
Add the horizontal accuracy for each track point.
Use the horizontal accuracy to calculate distance.
Add an iterator on track to get points, validated by horizontal accuracy.
Save the horizontal accuracy with track points;
Try to implement round corner with Qt instead of Cairo.
Add a setting for track metric accuracy.
Some minor corrections to track code.
Correct an issue with track rendering introduced by track_iter.
Add a guard to avoid initialise dirty rectangle to be set.
Properly activate GPS if started with gps refresh at no and later activate it.
Un draw GPS when gps_clear() is called.
Correctly make the setting page flick.
Correct the pulldown menu issue in the About page.
Move the header and the track view QML part away from the main.qml file.