Add job and task memory limits to job step credential
Add enforcement of job and task memory limits to job accounting and 
  abort job that exceeds the limit

    sbatch commands.

a job immediately

processing

attempt to backfill on dedicated nodes before using shared nodes
   (if sharing is supported by job/partition)

  overlapping partitions

functions extern for use by the backfill scheduler.

  features, etc.) against node bitmap and use in for wiki2/will_run 
  function and sched/backfill
Modify sched/backfill to execute only once every 10 seconds to 
  reduce overhead

replace strcmp() with numeric compare (much faster).