Issue #2572613 by Malevi4, idebr, pfrenssen, Mile23, RajeevK: Fix 'Drupal.Array.Array.CommaLastItem' coding standard

Issue #2068063 by timmillwood, Berdir, tduong, Manuel Garcia, nlisgo, yongt9412, esod, lauriii, jonathan1055, vijaycs85, yoroy, amit.drupal, tkoleary, ifrik, Bojhan, xjm, tstoeckler, amateescu: Change "Save and keep un-/published" buttons to a "Published" checkbox and an included "Save" button

Issue #2770921 by dawehner, klausi, Mile23, mpdonadio, xjm, claudiu.cristea: Feb 21st: Convert chunk of WTB to BTB by just moving classes, changing use statements adding traits

Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

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

Issue #2560863 by alexpott, stefan.r, lauriii: #options for radios and checkboxes uses SafeMarkup::checkPlain() to escape - use Html::escape() instead