shrine

Pull request #1361: Bugfix/SHRINE2020 1309 queued queries poller runs forever, for a more even load on the i2b2 CRC

Merge in SHRINE/shrine from bugfix/SHRINE2020-1309 to develop

* commit '16b56c1215efaec8686aa81d294783439df3c082':
  Fix the config and expand the default CRC QUEUED query polling interval for SHRINE2020-1309
  A little more cleanup of SHRINE2020-1309 before review
  Added a jmeter QUEUED query test while exploring SHRINE2020-1303
  Code cleanup to let the QueuedQueriesPoller just run all the time for SHRINE2020-1309
  See if just letting the queued queries poller go is better for SHRINE2020-1303
  Revert "SHRINE2020-1303 - try not running the task at all if it is already stopped"
  SHRINE2020-1303 - try not running the task at all if it is already stopped
  Experiment for SHRINE2020-1309 - just start the QueuedQueriesPoller at the beginning