the same time, don't double bill the down time.

was down (slurmctld not running) during that time period.

a reservation when it has the "Ignore_Jobs" flag set.  Since jobs could run
outside of the reservation in it's nodes without this you could have
double time.

accounting.

reported some suspended time.

Lucero Palau.

Added flag to slurmdbd.conf TrackSlurmctldDown where if set will mark idle resources as down on a cluster when a slurmctld disconnects or is no longer reachable.

update comments on reservations not being able to handle overlapping jobs in a reservation they shouldn't be able to run in.

 Added printf __attribute__ qualifiers to info, debug, ... to help prevent bad/incorrect parameters being sent to them.  Original patch from Eygene Ryabinkin <rea+slurm@grid.kiae.ru>

Applied patch from David Egolf (David.Egolf@Bull.com) Added the ability to purge/archive accounting data on a day or hour basis, previously it was only available on a monthly basis.