are kept in sync with the job records at slurmctld restart.

   Use constant size buffer for stdin.
   slurmd/fname.[ch] : Pre-open and truncate all unique output filenames
   slurmd/io.c       : make call to truncate all output files.

than single PID). Used for TotalView support.

Slurmctld priority of zero treated like job hold (not scheduled).
Preserve priority order even if incomming job could use idle resources.

 o slurmd: if there is room in cmdline, change argv to show
   what job a slurmd is managing.

interrupts were resetting timeout in I/O functions with timeout.

word-smithing.

   before opening output files. (Thus, seteuid_and_chdir() renamed
   to _drop_privileges()/_reclaim_privileges())
 o io.c : add srun info objects to tasks' srun list as they attach,
   so new sruns get task exit messages.

 o reattach.c : fixed search for matching job id.

   support documented uses of --input,output,error)
 o Allow premature termination of srun (i.e. when IO is not yet
   complete) by insistent user.
 o added xstrfmtcat() and xmemcat() to xstring.c

contents.