Update pacemaker for 13.1.

- Rebase:
* bug-728579_pacemaker-stonith-dev-id.patch
* bug-806256_pacemaker-log-level-notice.patch
* bug-812269_pacemaker-fencing-device-register-messages.patch
- Drop the patches that have been merged upstream:
* pacemaker-node-maintenance.patch
* pacemaker-node-maintenance-tests.patch
* pacemaker-crmd-pending-delete.patch
* pacemaker-resource.patch
- Drop the obsolete patches:
* pacemaker-cts-startcmd.patch
* pacemaker-disable-listing-fence-agents.patch
* pacemaker-daemon-symlinks.patch
* pacemaker-ptest-build.patch
* pacemaker-lrmd-remote-disabled.patch
* bug-815447_pacemaker-cib-strip-text-nodes.patch
* bug-809635_pacemaker-xml-digest.patch
- Drop the obsolete source:
* heartbeat-doc-1.0.tar.gz

- spec: Recommends fence-agents and sbd

- pengine: Properly handle orphaned multistate resources living on remote-nodes
- pengine: Map orphaned container fillers to container resource during shutdown to preserve ordering
- pengine: Do not attempt to probe resources on remote-nodes that are shutting down
- cib: Prevent potential double free in get_remote_uuid
- pengine: Properly shutdown orphaned remote connection resources
- crmd: Populate remote peer cache when building new cib
- crmd: Clear remote-node status AFTER start completes, not before.
- pengine: Probe resources on baremetal remote-nodes