Issue #2076681 by damiankloip, dawehner, pwolanin: Add a YAML discovery decorator.
Issue #2068287 by Berdir, andypost: Support bundle names provided in the request arguments in EntityCreateAccessCheck.
Issue #752730 by c960657, sun, swentel, catch: Remove file_exists() during bootstrap.
Issue #1978952 followup by tim.plunkett, disasm: Fixed Regression: Convert shortcut_set_add() to a Controller.
Issue #2035721 by Wim Leers, Gábor Hojtsy: Figure out how to translate Drupal-specific CKEditor plugins.
Issue #2074193 by Gábor Hojtsy, Wim Leers: Add changed time tracking to custom blocks.
Issue #2057207 by dawehner, olli: Fixed Unable to select the 'Default' view mode in views entity row plugin.
Issue #2078507 by yched: Add explicit upgrade path tests for fields shared between entities.
Issue #2078951 by tim.plunkett, jessebeach: Highlight the row of block that was just placed.
Issue #2078341 by tim.plunkett: Restructure Block UI and custom block pages.
Issue #2068437 by dawehner, pwolanin: Fixed _title does not work on _form.
Issue #1827112 by alexpott, vijaycs85, dawehner, cspitzlay, cam8001: Convert 'install_profile()' variable to Settings.
Issue #2078583 by dawehner, pwolanin | disasm: Fixed menu callbacks removed from hook_menu() do not display any menus.
Merge branch '8.x' into cf4