Issue #2248977 by Berdir: Complete support for multi-value base fields in ContentEntitySchemaHandler and use it for the user.roles field

Issue #2221433 by damiankloip, dawehner: Clean up views rendering. Move stuff from template_preprocess_views_view(), into a #pre_render callback.

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2080607 by CaptainWonky, mrsinguyen: Remove Unused local variable  from /core/modules/user/lib/Drupal/user/Tests/Views/HandlerFieldRoleTest.php.

Issue #2003366 by sillygwailo, Joe9, kenianbei, pcambra, heddn, YesCT, damiankloip: Rename Views method pre_render() to preRender().

Issue #1818570 by Berdir, effulgentsia, das-peter, andypost: Convert users to the new Entity Field API.

Issue #2002348 by baldwinlouie, heddn, sillygwailo: Rename Views method advanced_render() to advancedRender().

Issue #1479454 by Hugo Wetterberg, galooph, andypost, marcingy, heyrocker, larowlan, alexpott, tim.plunkett, fubhy, sun, dawehner: Convert user roles to configurables.

Revert "Issue #1479454 by Hugo Wetterberg, galooph, dawehner, andypost, marcingy, heyrocker, larowlan, alexpott, tim.plunkett, fubhy, sun: Change notice: Convert user roles to configurables."

Broke testbot. :(

This reverts commit 2ae15972.

Issue #1479454 by Hugo Wetterberg, galooph, dawehner, andypost, marcingy, heyrocker, larowlan, alexpott, tim.plunkett, fubhy, sun: Change notice: Convert user roles to configurables.