Issue #1149866 by jessebeach, effulgentsia, ethanw, corbacho, et al: Added Backbone.js and Underscore.js to core.

Issue #1798732 by Dean Reilly, westie, alexpott: Convert install_task() variable to use state system.

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 #1608878 by jessebeach, tim.plunkett, dead_arm, nod_, sun, effulgentsia, Everett Zufelt, geerlingguy: Added CTools dropbutton to core.

I fail at committing from airports. :P

This reverts commit 26e0acb8.

Issue #1696640 by fago, effulgentsia, tim.plunkett, dixon_, plach: Add a uniform Entity Property API.

Issue #1276908 by jessebeach, nod_, moshe weitzman, lewisnyman, webchick: Fixed Administrative tables are too wide for smaller screens.

Patch #1161486 by rootatwc, sun, andypost, catch, marcingy, aspilicious, cam8001: Move IP blocking into its own module.

Issue #1754208 by PrabhuG, webflo, savithac, Gábor Hojtsy: Convert hook_mail() and hook_mail_alter() to langcode.

Issue #1164760 by tim.plunkett, LoMo, Mile23, David_Rothstein, webchick, Bojhan, yoroy, naught101: [meta] Rename 'Modules' in toolbar to 'Extend'.

Issue #1776030 by sun: Fixed Machine name JavaScript behavior is broken, since jquery.once isn't loaded.

Issue #1764634 by tim.plunkett, nod_: Fixed Drupal.settings is only populated if a custom setting is added.

Issue #1468328 by Berdir: Move file entity info, managed file, and file usage functionality into File module.

Issue #1737148 by nod_, SebCorbin, larowlan, tim.plunkett, Albert Volkman, nick_schuch, sun: Explicitly declare all JS dependencies, don't use drupal_add_js().

Issue #1355526 by cafuego: Added a way to determine the date a module was added so the modules page can use it for sort.

Issue #1280996 by tarmstrong, vasi1186, fastangel, dawehner, tobiasb: New language_select() element type for form API.

- Patch #542828 by sun, Pasqualle, marcingy, Gábor Hojtsy: do not special case disabled admin theme.

Issue #562042 by cburschka, Rob Loach, sun, scor: Added Search for install profiles in sites/[all|site]/profiles folders, and move core profiles into /core/profiles.

Using the language_manager wrapper function to return a language whether or not we're in the requet scope

- Patch #1290694 by hefox, tlattimore, c4rl, chx, tim.plunkett, tstoeckler, msonnabaum: provide consistency for attributes and classes arrays provided by template_preprocess().

Issue #1061924 by catch, tim.plunkett, sun, Stefan Freudenberg, bfroehle: Fixed system_list() memory usage.

Issue #1496458 by swentel, pcambra, n3or, kbasarab, sun, marcingy: Convert maintenance mode settings to configuration system.

- Patch #1677304 by socketwench, Niklas Fiekas: Remove drupal_deliver_page(), ajax_deliver(), drupal_deliver_html_page().

- Patch #1493098 by sun, jcisio, pcambra, Pol, wamilton, Rok Žlender, beejeebus: convert cron settings to configuration system.