BLUEGENE - Speedup by skipping blocks that are deallocating for other jobs when starting overlapping jobs in dynamic mode.

BLUEGENE - Fix for issue in dynamic mode when trying to create a block overlapping a block with no job running on it but in configuring state.

    from Mark Grondona, LLNL.

    releases allocation on real-time signals. Patch from Gerrit Renker, CSCS.

Only for Cray systems

Fix for sacctmgr to work correctly when modifying user associations where all the associations contain a partition.

    job allocation is revoked. Patch from Gerrit Renker, CSCS.

    an integer number of minutes to "[days-]hours:minutes:seconds".

on bluegene and gets rounded up).

    rather than cnode count in scontrol output for NodeCnt field).

update comments on reservations not being able to handle overlapping jobs in a reservation they shouldn't be able to run in.

    than using "ALL".

    after the job allocation will properly release the allocation and cause
    salloc to exit.

help to eliminate the creation of srun core files.

It should never have been added.

Normalized the way pidfile are created by the slurm daemons.  With extra documentation for better understanding of when to call the create_pidfile function.