[Libguestfs] [PATCH libguestfs] Unify supermin appliance building using febootstrap 2.7

This is the corresponding patch for libguestfs to make it use the new febootstrap features, removing the old custom scripts. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-top is 'top' for virtual machines. Tiny program with many powerful monitoring features, net stats, disk stats, logging, etc. http://et.redhat.com/~rjones/virt-top