shrine

Pull request #1432: Feature/SHRINE2020 1477

Merge in SHRINE/shrine from feature/SHRINE2020-1477 to develop

* commit 'afd0160391c07277d382fac92b0b4f502dc62be7':
  Some tests of same instance for SHRINE2020-1477
  Some QEP tests for SHRINE2020-1477
  QEP to/from translation to v2 for SHRINE2020-1477 passes all existing tests
  Translating linked concept groups to i2b2 panel timing for SHRINE2020-1477
  Some round-trip tests for SHRINE2020-1477
  Structure for linked concept groups for SHRINE2020-1477