Issue #2091397 by vijaycs85, batigolix, targoo, jhodgdon | ifrik: Create hook_help for Datetime module.

Issue #950534 by mparker17, mgifford, Mixologic, jbloomfield, erinclerico, theMusician, wmostrey | zirvap: [policy] Consistently use email instead of e-mail in Drupal.

Issue #1920862 by martin107, Mixologic, cilefen, larowlan, xan.ps, tim.plunkett | sun: Rename custom_block.module to block_content.module.

Issue #2283061 by tim.plunkett: Fixed RequestPath condition uses non-existent service path.alias_manager.cached.

Issue #2248991 by marco, tstoeckler, xjm: Rename the 'log' field to 'revision_log' in Node and CustomBlock.

Issue #2211227 by mondrake, xjm | fietserwin: Refactor image and imagetoolkit: isExisting, isSupported, supportedTypes, getMimeType.

Issue #2277941 by yched: Allow injecting an arbitrary FieldConfig when building a FieldInstanceConfig.

Revert "Issue #806982 by lokapujya, gnuget, miqmago, shashi1028, Floydm, bfroehle, kathyh, sreynen: Tables should take an optional footer variable and produce <tfoot>."

This reverts commit 580fd45d.

Issue #2279623 by thedavidmeister: Fixed search_excerpt() should use unicode ellipsis characters instead of "...".

Issue #1963760 by amitgoyal, fnuppy | valthebald: Fixed Make sure install.php gives accurate information if Drupal is already installed.

Issue #2205185 by larowlan, hairqles, andypost, slashrsm: Split up ForumManager to create ForumIndexStorage.

Issue #2278133 by ParisLiakos: Fixed LoggerChannelFactoryTest::testGet() should use assertSame() not assertEquals().

Issue #2279635 by thedavidmeister: Fixed template_preprocess_username() should use Unicode::truncate().

Issue #806982 by lokapujya, gnuget, miqmago, shashi1028, Floydm, bfroehle, kathyh, sreynen: Tables should take an optional footer variable and produce <tfoot>.

Issue #2239861 by cs_shadow | pajooh: Fixed Incorrect file reference in /core/modules/system/css/system.theme.css.

Issue #2073661 by amateescu, claudiu.cristea, plopesc, xjm | yched: Add a EntityReferenceField::referencedEntities() method.

Issue #2080559 by izus, connork, eugenesia, InternetDevels, Rajesh Ashok, mrsinguyen: Remove unused local variables from the translation module.

Issue #2080427 by connork, blainelang, harijari, areke, chertzog: Remove Unused local variables from language module.

Issue #2250239 by dawehner | sun: Remove needless ContainerAware dependency from ParamConverterManager.

Issue #2113911 by LewisNyman, Manuel Garcia, longwave, nod_, Rajendar Reddy, pakmanlh, olemedia, rteijeiro: Modal style update.

Issue #1880488 by djroshi, konstantin.komelin, LewisNyman, jibran, rteijeiro: Added Make menu collapsible on small screen resolutions.