Issue #2572643 by alexpott, attiks, Jelle_S, jhodgdon: Fix Drupal.Commenting.FileComment coding standard

Issue #2066557 by mparker17, valthebald, chakrapani: Convert system.module's test's database_test.module's JSON functions to a new-style controller

Issue #2089331 by grom358 | thedavidmeister: [meta] Replace calls to check_plain() with Drupal\Component\Utility\String::checkPlain().

Issue #2080391 by johnmcc, Bladedu, chertzog, jeroen12345: Remove Unused local variables from multiple core files.

Issue #2074509 by tim.plunkett, falcon03, mgifford, Xano: Fixed Add missing #title property to ensure form accessibility.

Issue #1431658 by Albert Volkman, xjm, kid_icarus, ChinggizKhan, rgristroph, connork: Massive API docs cleanup for system tests

Issue #1608842 by chx, alexpott, sun, effulgentsia, beejeebus, tim.plunkett et al: Replace list of bootstrap modules, enabled modules, enabled themes, and default theme with config.

Issue #1619446 by Niklas Fiekas: Fixed All autocomplete and drupal_json_output() responses are broken (returning Ajax instead of JSON).

Issue #1658164 by Rob Loach, Berdir: Fixed TableSort Class not found exception thrown in database_test_theme_tablesort().

Nate Lampton authored Oct 30, 2011 and catch committed Nov 01, 2011

Issue #22336 by quicksketch, scor, boombatower, and rfay. Move all core Drupal files under a core subdirectory.

- Patch #502190 by jhodgdon, stella, sun: hook implementation headers out of compliance with standards.

#606526 by axyjo and scor: Remove trailing whitespace and add newlines at end of files. Sorry, folks! But it is after code freeze. :)

- Patch #556018 by Damien Tournoud, dereine | sun: rename drupal_to_js() and drupal_json() for consistency and readability.

- Patch #396284 by Berdir, chx, jcfiala, csevb10 et al: make sure to order by table headers first, before ordering by other fields.

- Patch #349500 by Damien Tournoud et al: made db_query_temporary() generate its own temporary table names.

- Patch #299178 by Crell et al: add support for subqueries in FROM and JOIN clauses in dynamic query.  Cool feature/syntax.