Issue #2977054 by msankhala, ilya.no, veerasekar.r89: Edit text format form should not redirect a user to text format listing

Issue #2935256 by Jo Fitzgerald, voleger, kim.pepper, ibustos, Yogesh Pawar, catch, jibran: Remove all usages of drupal_get_message and drupal_set_message in modules

Issue #2873696 by nvexler, wengerk, gido, Jo Fitzgerald, xjm: Add @internal to core classes, methods, properties to Form Classes

Issue #2776975 by joelpittet, dawehner, tim.plunkett, xjm, pfrenssen: March 3, 2017: Convert core to array syntax coding standards for Drupal 8.3.x RC phase

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

Issue #2022875 by Berdir, alexpott, Xano, swentel, tim.plunkett, vladan.me: Resolve difference between submitForm(), submit(), and save() in EntityFormController.

Issue #1987124 by tim.plunkett, h3rj4n, dawehner: Convert filter_admin_format_page() and filter_admin_overview() to a Controller.

Revert "Issue #1987124 by tim.plunkett, h3rj4n, dawehner: Convert filter_admin_format_page() and filter_admin_overview() to a Controller."

This reverts commit af5478b8.

Issue #1987124 by tim.plunkett, h3rj4n, dawehner: Convert filter_admin_format_page() and filter_admin_overview() to a Controller.