Issue #1978952 by vijaycs85, vyasamit2007, tim.plunkett: Convert shortcut_set_add() to a Controller.

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

Issue #1825332 by Berdir, ParisLiakos, andypost, dawehner, jrglasgow, aspilicious: Introduce an AccountInterface to represent the current user.

Issue #1818570 by Berdir, effulgentsia, das-peter, andypost: Convert users to the new Entity Field API.

Issue #1978964 by sanchiz: Convert admin/config/user-interface/shortcut/manage/%shortcut_set()/edit to a Controller.

Issue #1947432 by tim.plunkett, mtift, andypost, larowlan: Add a generic EntityAccessCheck to replace entity_page_access().