Chawso Track
GPX converter adapted from mapbox/togeojson0.16.2, revision126abe9ed9104a23fcff0416d42a4363c85643a6
Copyright (c) 2016 Mapbox All rights reserved.
Full BSD-2-Clause copyright/terms/disclaimer in licenses/togeojson-BSD-2-Clause.txt
https://github.com/mapbox/togeojson
Changes: GPX-only ESM build, KML/XML-serialization/sensor-array accumulation removed; aligned null times; singleton track/route Points; route point time arrays.
New Chawso preflight/inventory/extent/diagram/UI/export code is MIT under LICENSE.
