shrine

Pull request #1509: Feature/SHRINE2020 1614

Merge in SHRINE/shrine from feature/SHRINE2020-1614 to feature/SHRINE2020-1218-cats-effect-upgrade

* commit '04d8fc389a32d3fbfd076919d42319dd4f967575':
  No real advantage to letting Cats IORuntime supply a blocking executor for SHRINE2020-1614
  SHRINE2020-1612 is all set with the default values in the latest library
  Got rid of a lot of use of scala.concurrent.blocking in database calls, and cleaned up some other not-useful bits for SHRINE2020-1614
  Code in the apps looks good for SHRINE2020-1614
  SHRINE2020-1614 tidying up in the adapter
  The great thing about having the libraries right is that the top-level doesn't need to do anything special SHRINE2020-1614
  Using the daemon threadpool in Lucene for SHRINE2020-1614
  Comment cleanup in the hub service for SHRINE2020-1614
  Marc-Danie spotted some loose comments in another review
  Now using a daemon execution context for long polls for messages for SHRINE2020-1614
  Execution context changes around RepeatedIOTask for SHRINE2020-1614
  More use of the cats IO globals for SHRINE2020-1614
  Using the i2b2 client exeuction context for calls to i2b2 for SHRINE2020-1614
  turned on some disabled tests for SHRINE2020-1615