time format at the time of SLURM build.

    than a char * to satisfy PMI standard. Correct logic in 
    PMI_Get_clique_size() for when srun --overcommit option is used.

failures in scancel or squeue commands.

  and Moe Jette. There are still a couple of end-cases that need to be fixed. We also
  need to push the core identification out to the slurmd for task binding. sched/gang
  needs revision to support this too.