Added LinuxMint as a supported Ubuntu variant
Added LinuxMint as a supported Ubuntu variant

gui/bundles/utils.py:
- _guess_ubuntu(): Accept string "LinuxMint"

Bugfix: Added LinuxMint as a supported Ubuntu variant

hjanime/VisTrails,celiafish/VisTrails,hjanime/VisTrails,Nikea/VisTrails,minesense/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,celiafish/VisTrails,hjanime/VisTrails,minesense/VisTrails,celiafish/VisTrails,minesense/VisTrails,Nikea/VisTrails,minesense/VisTrails,Nikea/VisTrails,celiafish/VisTrails,minesense/VisTrails