TRQ-1798. If mppmaxnodect is set on a queue, pbs_server would assume that mppnppn was 1 if it wasn't set. Make it assume mppnppn is the largest number of cores available on any compute node. This will more reasonably calculate how many nodes the job will use.
Merge branch '4.1-dev' of https://github.com/adaptivecomputing/torque into 4.1-dev