%o and %Z respectively

Previously there was a sleep(5) during which the backup controller
was non responsive during its startup mode or returning from primary
mode.

This will prevent possible confusion for the backup controller
when it switches from primary back to backup modes since those
pthread IDs are no longer value. Note the thred_id_rpc could be
used by the backup controller after returning to backup mode

they are coordinators over.

Replace fixed size buffer with a buffer that can grow as needed.

and CLUSTER_FLAG_CRAY_N

a Native Cray not making a correct hostlist as well.

If there are completing jobs, a reconfigure will set wrong job/node
state: all nodes of the completing job will be set allocated, and the
job will not be removed even if the completing nodes are released. The
state can only be restored by restarting slurmctld after the completing
nodes released.

and fix warnings.

Conflicts:
	META
	NEWS
	src/common/slurm_protocol_util.c

Added boards_per_node, sockets_per_board, ntasks_per_node,
ntasks_per_board, ntasks_per_socket, ntasks_per_core, and nice.

It will be simpler for the slurmstepd to get the parameter
as needed (once). That way, we get current information rather
than needing to worry about slurmd getting reconfigured data.

Move the logic that determines stdin/out/err value out of scontrol
into an API that can be called by other commands (e.g. squeue and
sview).