sched/backfill - Prevent possible memory corruption due to use of
bf_continue option and long running scheduling cycle (pending jobs could
have been cancelled and purged).

Change max message length from 100MB to 1GB before generating "Insane
message length" error.

can only be a TORUS (1).

that happens when it gets to the controller anyway.

The ofed plugin doesn't correctly collect packets_in and packets_out.
The ofed plugin treats them as a running total while the hdf5 profile
plugin thinks they are a difference series.

The attached match makes these data items differences.
bug 430

Conflicts:
	src/plugins/sched/backfill/backfill.c

This specifies the maximum depth the backfill scheduler should go
in any single partition.

This makes --ntasks-per-socket also available for CR_Core.

Also remove group/other write access to PID file

Also remove group/other write access to PID file

Remove -C option (implemented improperly)
Support multiple -W options (array instead of single option)
Map -l proc option to job constraint
Fix parsing of wall time with colons (avoid breaking into multiple tokens)
Credit to NCSC

srun is pending.  The step creation would use the old values and possibly
hang srun since the step wouldn't be able to be created in the modified
allocation.