add the spec and debian files for cephfs packaging

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add the spec and debian files for ceph-rest packaging

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add the spec and debian files for rados packaging

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add the spec and debian files for rbd packaging

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>