Issue #2407743 by mortendk, danquah, rteijeiro, davidhernandez, sivaji@knackforge.com: Remove classes from system templates s*.html.twig

Issue #2426477 by Berdir: config schema views.field.bulk_form is defined in action.module, should be in views.module

Issue #2420037 by daffie: Remove EntityViewsDataInterface from some subclasses of EntityViewsData which implements EntityViewsDataInterface

Issue #2329781 by davidhernandez, sidharthap: Move CKEditor toolbar classes from preprocess to templates

Issue #2343127 by tadityar, harshil.maradiya, aphickey, bburg, ashutoshmishra: Docblock fixes for core/lib/Drupal/Core/Database/Query

Issue #2091367 by Shreya Shetty, mparker17, Sree, chintan4u, jhodgdon, ifrik, rteijeiro, rpayanm: Update hook_help for Taxonomy module

Issue #2411303 by zuuperman: Documentation of ViewsArgumentDefault plugins construct method mention 'Date instance' instead of the current class instance

Issue #2398075 by andypost, sarav.din33, larowlan, nemethf, hussainweb: Breadcrumbs for comment entity

Issue #2426901 by David_Rothstein: Add back various links (especially security-related links) to README.txt that were removed from INSTALL.txt

Issue #2424761 by rodrigoaguilera: Update automated tests documentation to reflect the removal of getInfo

Issue #2407729 by sivaji@knackforge.com, mortendk: Remove classes from system templates h*.html.twig

Issue #2419649 by plach, David Latapie: Content translation schema updates are not triggered consistently

Issue #2419225 by mikeker: settings.local.php trusted_host_patterns are ignored due to incorrect location of the include statement

Revert "Issue #2407735 by mortendk, sivaji@knackforge.com: Remove classes from system templates m*.html.twig"

This reverts commit 2b9b727c.

Issue #2403301 by lokapujya, penyaskito, Wim Leers: Menu item "active" class is not correctly added when using a view as the frontpage

Issue #2407735 by mortendk, sivaji@knackforge.com: Remove classes from system templates m*.html.twig

Issue #2417515 by idebr: TestBase::prepareDatabasePrefix() refers to DrupalWebTestCase that has been renamed

Issue #2407715 by crowdcg, davidhernandez, mortendk, sivaji@knackforge.com, Manjit.Singh, dernetzjaeger: Remove classes from system templates b*.html.twig

Revert "Issue #1986330 by subhojit777, marcelodornelas, wheatpenny, kasperg, timaholt, stefank, AkshayKalose, develCuy, valthebald, moymilo, YesCT, dawehner, tstoeckler: When Batch ID doesn't exist, Drupal should emit a 404"

Somehow broke testbot/HEAD. Reverting for now.

This reverts commit 30432a03.