Merge branch 'slurm_limits' into 'master'

set the LimitMEMLOCK=infinity (whcih means jobs are unrestricted) hopefully this…

… allows the use the mellanox communciation lib in mpi jobs

See merge request !92

roles/slurm-start/templates/slurmd.service.j2

@@ -5,6 +5,7 @@ ConditionPathExists={{ slurm_dir }}/etc/slurm.conf
 
 [Service]
 Type=forking
+LimitMEMLOCK=infinity
 #EnvironmentFile=/etc/default/slurmd
 ExecStart={{ slurm_dir }}/sbin/slurmd $SLURMD_OPTIONS
 PIDFile={{ slurmpiddir }}/slurmd.pid