Can't install ugr-desktop with oneiric

I upgraded from Natty to Oneiric, and now I can't install ugr-desktop anymore:

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ugr-desktop : Depends: indicator-applet-session but it is not going to be installed
               Depends: libgnome-desktop-3-0 but it is not installable
               Recommends: brltty-x11 but it is not going to be installed
               Recommends: evolution-exchange but it is not going to be installed
               Recommends: gdm-guest-session but it is not going to be installed
               Recommends: gnome-mag but it is not going to be installed
               Recommends: libgail-gnome-module but it is not going to be installed
               Recommends: libreoffice-help-en-us but it is not going to be installed
               Recommends: the-board but it is not installable
               Recommends: tomboy
               Recommends: transmission-gtk but it is not going to be installed
               Recommends: tsclient but it is not installable
               Recommends: ubuntuone-client-gnome but it is not going to be installed
               Recommends: ugr-count but it is not going to be installed
E: Broken packages