TRQ-1614. Make sure we don't start a poll_job task for jobs that aren't running and make sure it doesn't get started for array summary jobs.
TRQ-1604. Get enable-drmaa compiling with g++
TRQ-1465. Fix problem where multinode jobs hang.
Merge pull request #48 from actorquedeveloper/4.2.0

4.2.0 - sync 4.2.0 actorquedeveloper with adaptivecomputing