New features in this version:
- Chart: two new x-axes (time, duration) with selector
- Wikipedia & photo waypoints properly loaded from GPX file again
- GpsMaster specific extensions now in "gpsm" namespace (gpsm:color, gpsm:activity)
Bugfixes:
- Deletion of track/segment no longer doubles duration
known issues:
- Chart design needs improvement
- some GPX file extensions will not be written to file when saving
- OSM download / list of relations: query results sometimes rather erratic
- metric units still hardcoded in some parts of the code