libjob_queue: Changed from doing cleanup of the queue after each call of job_queue_run_jobs, to doing cleanup before calling job_queue_run_jobs or job_queue_add_job. Methods will fail hard if called when cleanup has not been done. This has been done so that the queue can be queried after method job_queue_run_jobs has finished
Merge branch 'init_jobqueue' of github.com:chflo/ert into chflo-init
Uncommented a check to verify that queue is reset
Added function to check if queue is open for new execution, and testing of this
Merge pull request #187 from chflo/init_jobqueue

libjob_queue: Changed from doing cleanup of the queue after each call of...