Added preempt_mode option to qos.  Also added quite a bit of logic to add options for for new cpu_run_mins limits

    2.2.0.pre7.

   svn merge -r20596:20629 https://eris.llnl.gov/svn/slurm/branches/slurm-2.2.multi.partition

    triggers from working without the --enable-debug configure option.

   "sbatch --begin=uts458389988 my.script").

    srun/sbatch --hold/-H option or use "scontrol update jobid=# priority=0"
    to hold and "scontrol update jobid=# priority=1" to release).

    get purged before their trigger can be processed (e.g. MinJobAge=1).

    RLIMIT_STACK.

    job at submission time, but to attempt scheduling many jobs at once for
    improved performance under heavy load.

    than one port for improved scalability.

    reservations.

Fixed issue where if the slurmdbd was down past the MinJobAge and the start of the job hadn't been sent yet to throw it on the queue to be sent when the slurmdbd comes back up.

    that of the slurmctld daemon: the same directory used for log files,
    SlurmdLogFile (if specified with an absolute pathname) otherwise the
    directory used to save state, SlurmdSpoolDir.

    affinity is enabled, keep track of the individual CPUs allocated to jobs
    rather than just the count of CPUs allocated (which could overcommit
    specific CPUs for running jobs).

Fix for handling correctly jobs that resize, and also reporting correct stats on a job after it finishes.