Issue #2412569 by claudiu.cristea, amateescu, yched, jibran, epari.siva: Allow setting the auto-create bundle on entity reference fields with multiple target bundles

Issue #2429191 by claudiu.cristea, amateescu, yched, nlisgo, Berdir, alexpott, klausi, Wim Leers, xjm, catch: Deprecate entity_reference.module and move its functionality to core