Adds slurmctld/nonstop plugin, libsmdns.so library, slurm/smd_ns.h
and smd command. Also add regression tests for smd command.

Added sbatch '--parsable' option to output only the job id number and the
cluster name separated by a semicolon rather than "Submitted batch job....".
Errors will still be displayed.

Conflicts:
	doc/man/man5/slurm.conf.5

needed to forward a message the slurmd would core dump.

This might happen if someone runs autogen.sh with some old version
of libtool

When an error occurs when trying to suspend, resume, or requeue a
job array report the error with the array element in addition to
the native slurm job id. Previously it only reported the native
slurm job id.

reporting "array job_id" error for non-array jobs

describing that jobs must be drained from cluster before deploying
any checkpoint plugin.

Re-order existing code so that per-cpu memory limits will be
enforce with both cpus_per_task and ntasks_per_node limits.

Properly enforce a job's cpus-per-task option when a job's allocation is
constrained on some nodes by the mem-per-cpu option.
bug 590

Explain some of the finer points of the option's interprettation
bug 588

Without this change, the function will repeatedly fail and
report the buffer is too small until exhausting memory and
aborting.

getgrent_r(), which causes the controller to core dump.

This fixes a bug introduced recently for core specialization logic

Put the SchedulerParameters options in the slurm.conf man page into
alphabetic order

limit scheduling logic depth by partition.