Issue #1787876 by Albert Volkman, cirage, BrockBoland: Add return docs for drupal_get_token() function

Revert "Issue #1824898 by vijaycs85, ACF: Convert drupal_weight_select_max() variable to CMI system."

This reverts commit cd8dd173.

Conflicts:

	core/modules/system/system.install

Issue #1849700 by katbailey, effulgentsia: Fixed DrupalKernel's container.modules param should contain module filenames, not full namespace paths.

Issue #1831324 by sun, effulgentsia: Form API #autocomplete_path() JS and callbacks to use GET q= parameter instead of menu tail.

Issue #1824778 by vijaycs85, ACF, pcambra, cam8001: Covert css_gzip_compression() and js_gzip_compression() variables to CMI system.

Issue #1824244 follow-up by csg: Tests for: Turn _field_ui_bundle_admin_path() into a public function (field_ui_bundle_admin_path()).

Issue #1828642 by tim.plunkett, xjm, dawehner: Convert as many Views tests as possible to DrupalUnitTestBase.

Issue #1853636 by webchick: Fixed The Views wizard looks terrible after fieldsets were replaced with details.

Issue #1854838 by Jose Reyero, Gábor Hojtsy, Damien Tournoud: Fixed Locale should not use fetchObject with a classname, WSOD on sqlite.

Issue #1447736 by rbayliss, mikeytown2, effulgentsia, kim.pepper, Fabianx, boombatower: Adopt Guzzle library to replace drupal_http_request().

Issue #203955 follow-up by Shawn DeArmond: Fix installation docs and field description to note that database now can be created at install time.

Revert "Revert the revert of Issue #1849004 by chx, xjm: One Service Container To Rule Them All. It was innocent after all."

This reverts commit a1638b87.

This reverts commit 761ac679.

Issue #680546 by swentel, jramby, Cottser, jonathan1055: Added a custom 'number of values' for 'multiple / multi-value' field. (e.g. nodereference, imagefield).

Issue #1571632 by cosmicdreams, marcingy, justafish, chx, KarenS, aspilicious, disasm, swentel, dawehner, rvilar: Convert regional settings to configuration system.

Issue #815144 by eiriksm, highrockmedia: Added Imagefields should have the option to require Custom Alt text.