Maprika GPS on any map

v.3.23- add an option for selective location sharing- bugfixesv.3.19- allow larger zoom on extra high density screens- improve accuracy of ski track statisticsv.3.18- add statistics report for tracks on ski mapsv.3.16:- add elevation gain/drop to track stats- add an option to remove end of track- add an option to select sync location for currently being recorded and selected tracks- show time difference between currently being recorded and selected tracks