job's time limit).

add warn_signal and warn_time to slurmctld job structure.
save/restore the job parameters in slurmctld and add
stub to perform the signal

    notify programs before reaching the end of their time limit.
    (So far, just document the option and get it from the command down
    to slurmctld. More to come later.)

  job's Eligible Time now StarTime

  accounting for job_start (called in some cases when pending).
  restore start_time after accounting (it's the expected
  start_time for pending jobs). 

   use of errno to pass around information

Expand explanation of recent change in NEWS.

    the queue SLURM searched in an attempt to backfill jobs, default value 
    is 50 jobs.

CompleteWait configured to 0 (default). Change to wait.

from END to END_TIME

  as a return code from the terminate job RPC

  after that, kill the job

Correction in computing a job's TotalProcs value when ThreadsPerCore>1 and
    allocating by cores or sockets.

    allocating by cores or sockets.

 (was advancing "len" in two places)