If the proctrack plugins fail to destroy the job container print an
error message and avoid to loop forever, give up after 120 seconds.
Make srun obey POSIX convention and increase the exit code by 127 when the
process terminated by a signal.
Speed up rollup of database buy only committing after everything is done
instead of autocommitting.
Sanity check for acct_gather_energy/rapl
Merge remote-tracking branch 'origin/slurm-14.03'