CRAY - If a partition has MinNodes=0 and a batch job doesn't request nodes put
the allocation to 1 instead of 0 which prevents the allocation to happen.
Better debug when the database is down and using the --cluster option in
the user commands.
Better explanation when talking to clusters/DB that are down.
When asking for job states with sacct default to 'now' instead of midnight
of the current day.
Better documentation for sacct --starttime
remove whitespace
Update docs about creating the database.
Fix for handling a test-only job or immediate job that fails while being
built.
Comment out all of the logic in the job_submit/defaults plugin.

The logic is only an example and not meant for actual use.
Merge branch 'slurm-2.5'