xarchiver and thunar plugins

[Jani Monoses]

> Nope that's the way it's meant to be. In a perfect world, we would also
> add the file-roller.tap to file-roller and ark.tap to ark, but because
> of the release cycle of that packages it would take too long to be
> supported again.

Fair enough. Although I'd think that adding a tap to file-roller should
not be a problem for gnome 2.16, but yes that's a few moths away.

Jani