Security update for slurm (moderate)

This update for slurm to version 17.11.7 fixes the following issues:

This security issue was fixed:

• CVE-2018-10995: Ensure correct handling of user names and group ids
  (bsc#1095508).

These non-security issues were fixed:

• CRAY - Add slurmsmwd to the contribs/cray dir
• PMIX - Added the direct connect authentication.
• Prevent the backup slurmctld from losing the active/available node
  features list on takeover.
• Be able to force power_down of cloud node even if in power_save state.
• Allow cloud nodes to be recognized in Slurm when booted out of band.
• Notify srun and ctld when unkillable stepd exits.
• Fixes daemoniziation in newly introduced slurmsmwd daemon.

The following tracked packaging changes are included:

• avoid postun error in libpmi0 (bsc#1100850)

This update was imported from the SUSE:SLE-15:Update update project.