Improve scheduling of jobs in reservations that overlaps other reservations.
bug 1051

be used for AcctGatherFilesystemType.

Conflicts:
	testsuite/expect/test12.7

Was failing to run watchdog thread to make note of hung threads
and not completion of RPC, which is needed for node ping.
This bug was introduced in commit d87d1b50

look at any other day for -D jobs)

no changes in logic

This improves performance for job arrays

Revert commit 26e77f93
This logic is obviously wrong. Investigate more tomorrow.

Add logic to use hash table for improved performance

to front end nodes.

srun properly interprets a leading "." in the executable name based upon
the working directory of the compute node rather than the submit host.

script that will use it.

Note optional model type specification

The srun, salloc and sbatch man pages were not updated to describe
how to specify gres model types.

states.

srun --export variable check wrong

Fix sbatch --export=ALL, it was treated by srun as a request to explicitly
export only the environment variable named "ALL".
bug 1045

has finished)