Use older m4_esyscmd instead of the newer m4_esyscmd_s to work on systems
with autoconf older than 2.63b.  Adding the extra sed at the end does the
same thing (strip off the newline)
Merge remote-tracking branch 'origin/slurm-2.6'

Conflicts:
	NEWS
CNCU - Added timings
Merge branch 'slurm-2.6'
Rewrote most of 21.30 to work directly off limits instead of around the
limits
Merge remote-tracking branch 'origin/slurm-2.6'

Conflicts:
	testsuite/expect/inc21.30.6
more refinement to test
Use correct pointer
Add flag to not clear the job if it has active steps.
Make HTML generator scripts Python 3 compatible
Add support for dependency on full job array
qsub wrapper, add warning for -S option
qsub command enhancements

Add support for -W block=true	(wait for job completion)
Clear PBS_NODEFILE environment variable
Credit to NCSC
Make sure we NULL the job_ptr to avoid issues
Add sgather command
Fix for perl api build on some 32-bit systems
Fix deadlock issue
MaxSubmitJobs limits submissions a job too early.
Update NEWS file.
move around some scheduling logic