Issue #1987602 by glennpratt, juampy, pwieck, vijaycs85, dawehner, tim.plunkett, effulgentsia: Convert ajax_form_callback() to a new style controller.

Issue #2052389 by pwolanin: Fixed All elements added to the Request attributes should have a _ prepended unless they come from the path.

Issue #2049723 by dawehner, tim.plunkett: Fixed Mini pager shows 'Page 1' if there is non item at all available.

Issue #2032553 by pwolanin, Xano: Fixed The _account attribute on the Request is not available during web tests.

Issue #2015703 by plopesc, mordonez, yched: Convert field type to typed data plugin for email module .

Issue #1942130 by sandipmkhairnar, xtfer: Fixed Make Forum module active config save format match the default yml file.

Issue #1986528 by Berdir: Fixed Fatal error: Call to undefined method PHPUnit_Framework_Warning::getInfo() when there is an error in tests.

Issue #1942576 by nick_schuch, clemens.tolboom: Tour tips to be able to link to other pages and start tour's automatically.

Issue #2050883 by Cottser, tstoeckler, dawehner: Fix references to obsolete functions in code comments in views module

Issue #2031319 by jlindsey15, pplantinga, thedavidmeister, Kingdutch, Kiphaas7: Document that theme() should really be called via drupal_render().

Issue #2009662 by jlbellido, pplantinga, InternetDevels, pwieck, jenlampton: Replace theme() with drupal_render() in picture module.

Issue #2041313 by vineet.osscube: Fixed Caching issue causes 'theme not found' error when enabling theme.

Issue #1788542 by claudiu.cristea, andypost, tim-e, fubhy, speely, heyrocker: Use EntityFormController and EntityListController for image styles.

Issue #2017851 by pcambra, amateescu, Pancho: Move entity_reference_get_selection_handler() to a method on SelectionPluginManager.

Issue #2022509 by Soul88, StephaneQ, hussainweb, lslinnet, andypost, penyaskito, effulgentsia: Deprecate taxonomy_vocabulary_load_multiple() and taxonomy_term_load_multiple() in favour of entity_load_multiple().

Issue #2047475 by plopesc, yched: Fixed viewElements method contains references to  which does not exist.

Issue #2051847 by dawehner: Fixed AnnotatedClassDiscovery::getDefinitions is critically slow when viewing nodes with comments.

Issue #1860434 by jessebeach, Mark Carver, Wim Leers, droplet: Refactor the Toolbar JavaScript to use Backbone; fix several poorly functioning behaviors.

Issue #1987660 by dougvann, ygerasimov, vijaycs85, marcingy: Convert config_sync() to a new style controller.

Issue #1957346 by dawehner, olli, damiankloip, jibran, ParisLiakos: Add some settings on the block display to allow overrides on the block instance configuration.