reads and writes Flightradar 24 (*.csv) files

reads heartbeat and temperature from broken osmand GPX files

adds road snapping for routes

uses mapsforge 0.26.1, brouter 1.7.8 and a lot more updated third-party software

fixes a bug when rendering offline maps and hill shading

fixes a bug when editing dates which used UTC for editing while the display is in the local timezone

fixes a bug in the time column for routes which reset to 0 after more than 24 hours

fixes a bug when writing CSV files with alternative column header names which wrote inconsistent values