Add ffs

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
ffs; remove nfs-utils redhat-lsb-core libuuid-devel

These aren't present (and probably aren't strictly necessary in XS)

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #29 from djs55/add-ffs

Add ffs