Issue #2154435 by andypost, Berdir, mparker17: Rename EntityAccessController to EntityAccessControlHandler.

Issue #2172973 by tim.plunkett: Ensure ConfigEntities providing a list controller use admin_permission.

Issue #2012916 by andypost, Berdir, pwieck: Implement access controller for the menu and menu link entity.

Issue #1979094 by Berdir, dawehner, msonnabaum, tim.plunkett, effulgentsia: Fixed Separate create access operation entity access controllers to avoid costly EntityNG instantiation.

Issue #1995048 by twistor, tim.plunkett, damiankloip, Berdir: EntityListController::getOperations() should respect access checks.