Issue #2321913 by Temoor: Replace all instances of entity_load('menu_link_content') and entity_load_multiple('menu_link_content') with static method calls.
Issue #2322255 by undertext | andypost: Move the rest of core entities to use EntityViewsDataInterface.
Issue #2302047 by plopesc: Added support for relative default dates in Date field .
Issue #2309187 by andypost | Crell: Fixed double-link-entry between Entity and Entity Type classes.