prolog is run as root and failure is reported as a non-zero return code
   from the launch tasks or launch batch job messages
   epilog is run as result of revoke credential message

   absolute pathname

Modify slurmd to dump/restore credentials at termination and restart.

New RPC added for slurmd to send batch_sid to slurmctld.
batch_sid added to slurmctld batch data structure and support for RPC
  to supply that info from slurmd
slurmd uses getsid to process pid to slurm job_id mapping RPC.

New RPC added for slurmd to send batch_sid to slurmctld.
batch_sid added to slurmctld batch data structure and support for RPC
  to supply that info from slurmd

New RPC added for slurmd to send batch_sid to slurmctld.

read_proc.c given general clean-up

 o fix _search_path() to handle absolute and relative pathnames

New API defined slurm_pid2jobid. Minor format clean-up on other man pages.

New RPC defined to map local pid into slurm job id.
General clean-up of scontrol, also new command to map pid to job_id.
Slurmd *stub only* to map pid to job id.

New RPC defined to map local pid into slurm job id.
General clean-up of scontrol, also new command to map pid to job_id.

New RPC defined to map local pid into slurm job id.

Needed for totalview support of reattach.

 o slurmd tries to kill any old slurmd's on startup
 o create_pidfile() locks pid file and keeps it open, so that
   we can test pidfile for lock to definitively know whether old
   slurmd is still running.

   affect number of tasks in batch job steps.

config file values.

avoid over-write with reconfiguration RPC.

free_bitmap

Add support in slurmctld for SlurmctldDebug on startup and reconfig RPC.

and cpus_per_task option.