Issue #2224887 by alexpott, Berdir, Gábor Hojtsy, Jalandhar: Language configuration overrides should have their own storage.
Issue #2259337 by sun, chx: Do not hide the error messages in TaggedHandlersPass.
Issue #2268975 by Gábor Hojtsy, vijaycs85: Fixed named schema elements missing when installing Drupal.
Issue #2273689 by donquixote: Fixed switch-psr4.sh does not reliably remove empty PSR-0 directories.
Issue #2227731 by _nod: Replace JSHint with ESLint for JavaScript validation.
Issue #2264241 by _nod: Fix ESLint errors and fix js bugs.
Issue #2273311 by donquixote, xjm: Fixed FieldDefinitionTestBase::getNamespacePath() breaks with PSR-4.
Revert "Issue #2227731 by _nod: Replace JSHint with ESLint for JavaScript validation."

This reverts commit 0b522f36cb211485e73483f621f038f611365578.
Issue #2264205 by _nod: Replace JSHint with ESLint for JavaScript validation.
Issue #2261181 by damiankloip, dawehner: Fixed Always pass in the request into the view executable.
Issue #2167167 by Berdir: Remove field_info_*().
Issue #2247991 by xjm, typhonius, donquixote: [May 27] Move all module code to PSR-4.
Issue #2233623 by Berdir, slashrsm, xjm: Fixed Merge AliasManagerCacheDecorator into AliasManager.
Issue #788900 by ParisLiakos, dawehner, effulgentsia, xjm, et al: Deprecate and remove usages of arg().
Issue #2214209 by dawehner, ParisLiakos, xjm: Move _menu_site_is_offine() into the Maintainance subscriber.
Issue #2261131 by Jose Reyero, Gábor Hojtsy | alexpott: Fixed Overrides will bleed in config export.
Issue #2226301 by alexpott: Run-test.sh --repeat should work nicely with --concurrency.
Issue #2253109 by alexpott, ParisLiakos: Followup: Bring .htaccess and web.config up to date.
Issue #1989470 by LewisNyman, aboros, philipz, mgifford, rteijeiro, dimaro, Bès, klonos, emma.maria: Dropbutton style update for Seven.
Issue #2267911 by tstoeckler: Remove pointless condition in ModuleHandler::install().