Adds python-software-properties, #2101
Adds python-software-properties, #2101

artetecha/puphpet,mattclegg/puphpet,thedeedawg/puphpet,thedeedawg/puphpet,mattclegg/puphpet,artetecha/puphpet,ikari7789/puphpet,mattclegg/puphpet,ikari7789/puphpet,thedeedawg/puphpet,artetecha/puphpet,mattclegg/puphpet,thedeedawg/puphpet,artetecha/puphpet,mattclegg/puphpet,ikari7789/puphpet,thedeedawg/puphpet,artetecha/puphpet,ikari7789/puphpet,ikari7789/puphpet