Add ReconfigFlags configuration option to control actions of
"scontrol reconfig". Patch from Don Albert, Bull.

Conflicts:
	NEWS

wasn't started at the time the eligible message was sent but started
before the db_index was returned information like start time would be lost.

cpu count instead of the block count.  Needed when running multiple jobs
per block.

which may not exist in all cases.

Add numeric range checks to scontrol update options. Patch from Phil Eckert, LLNL.

to use srun instead of runjob.

Fix Lua link order

Patch from Yuri D'Ella

Note that if a job is requeued, it's submit time is changed and the record appears
as a duplicate job with a different submit time. Patch by Bill Brophy, Bull.