[openstack-nova/f16] (4 commits) ...update the libguestfs patches ...

[Pádraig Brady]

Summary of changes:

  cfb94aa... update the libvirt dependency from 0.8.2 to 0.8.7 (*)
  4046a2d... ensure we don't access the net when building a package (*)
  66f8f58... add support for mounting disk images with libguestfs (*)
  e375fbf... update the libguestfs patches ... (*)

(*) This commit already existed in another branch; no separate mail sent