Revert "Ignore transient cgroup errors."

This reverts commit 53706b41b930fe6374add3ad097a627254c45bc1.

Conflicts:

	NEWS
Fix to allow removing of preemption from a QOS
Improve database slurmctld entry speed dramatically.
If the proctrack plugins fail to destroy the job container print an
error message and avoid to loop forever, give up after 120 seconds.
Make srun obey POSIX convention and increase the exit code by 127 when the
process terminated by a signal.
Speed up rollup of database buy only committing after everything is done
instead of autocommitting.
Sanity check for acct_gather_energy/rapl
Add docuemntation and test for squeue -O/--Format
Add squeue --Format field width test
dd "CPUs" count to "scontrol show step"
Add delay to test

Failures were occuring due to network delays in transfering the
accounting data to slurmdbd.
ignore autogenerated files
Add protocol version the the stepd interface.

This makes it so the stepd returns it's protocol version on a successful
connect.
Fix so srun --cpu-freq=conservative works
Add support for lua5.2
scancel -b signals only the batch step