python-pycollada: update 0.4 -> 0.4.1

Build tested with freecad, the only dependee.
plantuml: update from 7991 to 8012
gnuradio-osmosdr: update 0.1.0 -> 0.1.4
gqrx: update 2.2.0 -> 2.3.0

Also install desktop file (new in this version) and icon.