Error message added when in proctrack/cgroup the step freezer path isn't
able to be destroyed for debug.
Added extra index's into the database for better performance when
deleting users.
Fix issue with wckeys when tracking wckeys, but not enforcing them,
you could get multiple '*' wckeys.
Minor fix to NEWS
Correct job's partition names

Fix bug which could report to squeue the wrong partition for a running job
that is submitted to multiple partitions.
Merge branch 'slurm-14.03'