New port: graphics/gpxsee

GPS log file viewer and analyzer.

GPXSee is a GPS log file viewer and analyzer that supports
GPX, TCX, KML, FIT, IGC, NMEA and OziExplorer files.

WWW: http://www.gpxsee.org/

PR: 227507
Submitted by: Nikolay Korotkiy <sikmir@gmail.com>