* Merge from Debian experimental, remaining Ubuntu changes:
  - debian/control: build-depends on libgconf2-dev and libgnome-keyring-dev
    to enable GNOME services support.
  - debian/rules: pass --enable-gnome --enable-libgnome-keyring to
    dh_auto_configure.
  - debian/patches:
    + xubuntu_lock-the-screen-on-hibernate-suspend.patch: copy the behavior
      of xfce4-power-manager for consistency.
    + xubuntu_force-xsettings-daemon.patch: start xfsettingsd with --force
      to replace a spurious gnome-settings-daemon instance left by gdm.
      Revert when gdm is fixed. lp: #709148
    + series: apply these patches.