Allow simultaneous job execution on local queues.
Allow simultaneous job execution on local queues.

This patch allows multiple jobs to run at once on a local queue, so long as
the number of cores is not exceeded.

Change-Id: Iacd9c640b9f327df94a18f0139165a6bcafeff6b

OpenChemistry/molequeue,OpenChemistry/molequeue,OpenChemistry/molequeue