Deprecate --cpu_bind from sbatch and salloc.  These never worked correctly
and only caused confusion since the cpu_bind options mostly refer to a
step we opted to only allow srun to set them in future versions.
Missed code from last commit
Fix sgather if Nodename and NodeHostname differ
Merge branch 'slurm-14.03'

Conflicts:
	src/sbatch/opt.c