fence_sanlock: add basic metadata to integrate with ccs_config_validate
drop node="" option (unused)
TODO:
- add proper short/long description
- add call in spec file:
%post -n fence_sanlock
ccs_update_schema > /dev/null 2>&1 ||:
Signed-off-by: Fabio M. Di Nitto <fdinitto@redhat.com>