shrine

Pull request #1424: Feature/SHRINE2020 1267 -Expand/collapse layout to event relationships (Material UI)

Merge in SHRINE/shrine from feature/SHRINE2020-1267 to develop

* commit '2ae9331f521bdbf0165951565511d11fff62521a':
  SHRINE2020-1267 - Expand/collapse layout to event relationships (Material UI) - Fix wrapping of readable section
  SHRINE2020-1267 - Expand/collapse layout to event relationships (Material UI) - Fix wrapping of editable section and css tweaks
  SHRINE2020-1267 - Expand/collapse layout to event relationships (Material UI)