Expand backup controller documentation
Close window with srun if waiting for an allocation and while printing
something you also get a signal which would produce deadlock.

Fix Bug 601.
Add SelectTypeParameters option of CR_PACK_NODES

Add SelectTypeParameters option of CR_PACK_NODES to pack a job's tasks
tightly on its allocated nodes rather than distributing them evenly across
the allocated nodes.
bug 819
Merge branch 'slurm-14.03'