- Update audacious to 4.0.4
- Remove gtk3 versions, upstream discountinued support for that UI [1]
- Flavorize port and make qt (upstream main UI) version the default flavor
- Add gtk2 as a flavor, although the gtk2 UI is deprecated upstream
- Take maintainership
[1] https://redmine.audacious-media-player.org/boards/1/topics/2489?r=2500#message-2500
Approved by: portmgr (flavors addition)
Differential Revision: https://reviews.freebsd.org/D25591