Ported from 7a4aa7f2.

and make it so the slurmd formats it correctly when it comes in.

Continuation of commit 7db90c8a

This is needed to make it so we can run pmix with multi-slurmd.

Bug 3446

bug 3446

burst_buffer/cray - Support default pool which is not the first pool
    reported by DataWarp and log in Slurm when pools that are added or removed
    from DataWarp.
bug 3453

This reverts commit fd690a9c.

was there for jobs and steps, but for no real reason.  I couldn't see a
reason anyway.

Add missing option for PURGE_JOB which is different than the others
and was missed on the changes made when adding the usage table
flushes.

sstat doesn't work on Cray ALPS but works on native Cray setups.

Bug 3444

There are (or at least used to be) places where an exit code of 0 was used
to indicate that the job ran successfully to completion. This patch fixes
the places where the exit_code was MAX'd out to 1 to indicate that job did
not ran successfully to completion. This MAX logic was introduced in commit
f305f099.

Bug 3444

Conflicts:
	src/slurmctld/job_mgr.c

Jobs preempted with PreemptMode=REQUEUE were incorrectly recorded as
REQUEUED in the accounting.

Bug 3444

bug 3448

Bug 3447

Bug 3444

These were false positive error reports, but should go away now.

Bug 3406.

Fix srun I/O race condtion to eliminate a error message that might be
    generated if the application exits with outstanding stdin.
bug 3166