Conflicts:

	core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php

Issue #304540 by Rob Loach, marcingy, typhonius, BrockBoland, jaredsmith: Fixed Disable themes when theme engine or base theme arn't available.

Issue #1493108 by marcingy, sun, Mike Wacker, kbasarab, Berdir, Rok Žlender, cosmicdreams, alexpott: Convert logging and error settings to configuration system.

Issue #1688016 by sun: Fixed drupal_cron_run() unconditionally re-enables writing of the user session.

Issue #1688036 by sun: Fixed Session regenerate and destroy functions do not adhere to drupal_save_session().

Issue #1679570 by sun: Fixed TestBase does not always use the correct database connection for handling assertions.

Issue #1621356 by joachim, dsdeiz, tim.plunkett: Pass all the parameters of hook_options_list() to options_list_callback().

- Patch #1697170 by tobiasb, nick_schuch, adamdicarlo, dagmar: convert menu_configure() to new configuration system.

- Patch #1697170 by tobiasb, nick_schuch, adamdicarlo, dagmar: convert menu_configure() to new configuration system.

- Patch #1192044 by mjohnq3, Manuel Garcia, effulgentsia, sun, JohnAlbin, jessebeach, moshe weitzman: Convert Bartik's layout to mobile-first and responsive.

- Patch #1290694 by hefox, tlattimore, c4rl, chx, tim.plunkett, tstoeckler, msonnabaum: provide consistency for attributes and classes arrays provided by template_preprocess().

Issue #1436272 by Albert Volkman, colette, dandaman, coolestdude1: Add information to documentation of drupal_bootstrap function

Issue #1380958 by sun: Replace $modules list for WebTestBase::setUp() with ::$modules class properties.

Issue #1446464 by cfennell, Berdir, aaron, tim.plunkett: Get rid of file_field_load() - shouldn't load all file object data with field load - only file ID.

Issue #1575790 by greg.1.anderson, sun, tim.plunkett: Fixed Update #7002 fails on postgres - ILIKE operator on bytea not supported.

Issue #1061924 by catch, tim.plunkett, sun, Stefan Freudenberg, bfroehle: Fixed system_list() memory usage.

- Patch #1696902 by sun, larowlan, cosmicdreams, heyrocker, tobiasb: Convert forum_admin_settings() to new configuration system.

- Patch #1696902 by sun, larowlan, cosmicdreams, heyrocker, tobiasb: Convert forum_admin_settings() to new configuration system.

Issue #1704530 by alexpott, aspilicious: [HEAD BROKEN] Convert contact module variables to configuration system.

- Patch #1704196 by sun: remove Config's dependencies on procedural Drupal code in includes/common.inc.