a parameter that can't be modified

  (admin/user) job suspend/resume. logic was preventing use of nodes holding
  node in exclusive node even after suspended.

 is used with gang scheduling

add some more logging

scheduling is performed.

This is a merge of all slurm modifications added to support a Sun Constellation system 
  with 4-D name space (3-D for coordinate followed by a sequence number for the node at
  that coordinate).

    running for a job allocated to that node.

    or too small, automatically try using the previously saved state (file 
    name with ".old" suffix).
This is the same logici added early for jobs.