gtk-3: temporally use Adwaita
gtk-3: temporally use Adwaita

GTK broke it's themes AGAIN. I'm tired of the artefacts, so I temporally
use Adwaita. TraditionalOK is fixed and maybe better maintained than
Adwaita, but I hate the hover effects. I'll check some time if I can
disable that.

paretje/dotfiles,paretje/dotfiles,paretje/dotfiles,paretje/dotfiles,paretje/dotfiles