maintain.

but things are closer.

The srun command formerly needed to call slurm_signal_job_step()
to load the symbol and have it accessible from the mpi plugins.
This is no longer the case due to changes in linking since 2007.

Signed-off-by: Danny Auble <da@schedmd.com>

compiling with --enable-debug

The purpose of this is so moab scripts and commands (such as 'checkjob')
have consistent access to the SUBMITHOST variable.

Conflicts:
	testsuite/expect/test21.21

Conflicts:
	src/srun/opt.c

Conflicts:
	src/srun/opt.c

Conflicts:
	src/srun/opt.c

Conflicts:
	src/srun/opt.c

Phil and I independently found a chunk of duplicate code that can be eliminated with no change to the functionality.  This is against the 2.4 branch.
Don

Conflicts:
	src/slurmctld/reservation.c

Conflicts:
	src/slurmctld/reservation.c

isn't up at the time the slurmctld starts, not running the
priority/multifactor plugin, and then the database is started up later.

Conflicts:
	src/slurmctld/reservation.c