reording functions. Based upon work by Gerrit plus bug
fixes and documentation that I've added.

    gang scheduling module. Make identification of preemptable jobs an argument
    to the select_g_job_test function rather than calling preempt plugin from
    the select plugin. Make output of srun --test-only option include a list
    of preempted job IDs. 
    svn merge -r18780:18815 https://eris.llnl.gov/svn/slurm/branches/preempt.job.list

Updates some sun constellation documentation

svn merge -r 16016:16041 https://eris.llnl.gov/svn/slurm/branches/sun_snl

    (cons_res_preempt.patch from Chris Holmes, HP).

  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.

    that can impact node scheduling.

tests were change appropriately. This lets one fake a Linux cluster
without all of the BGL-specific logic.

that partition information is available to it.

code for current Linux clusters and develop all new logic for Blue Gene).