PATCH 2/9 from Mark Grondona

PATCH 1/9 from Mark Grondona

   SlurmKillOnBadExit to KillOnBadExit

    as any task of a job step exits with a non-zero exit code. Patch based
    on work from Eric Lin, Bull.

Remove REBOOT, ROTATE, MAXPROCS, and BLOCK_START for BlueGene systems

fix for systems that don't have multiple cores

Change some bad href values (.shtml to .html)

Add description of future open mpi mode fo operation.

    there is no job state file or there is a change in its format (which only 
    happens when there is a change in SLURM's major or minor version number: 
    v1.3 -> v1.4).

rather than just --multiple-slurmd

match wiki parameters

    interval between executions of the backfill scheduler logic.