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

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

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

Issue #1305378 by bforchhammer, penyaskito, k4v, Schnitzel, Gábor Hojtsy, Dave Reid: Added Tokens should use $options["langcode"] and not need a language object.

Issue #1496534 by cosmicdreams, alexpott, aspilicious, kim.pepper, acrollet, dagmar, beejeebus, wizonesolutions | heyrocker: Convert account settings to configuration system.

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

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

Issue #1496542 by cosmicdreams, sun, chx, vasi1186, aspilicious, alexpott, nadavoid, Pedro Lozano, disasm, andypost | heyrocker: Convert site information to config system.

Issue #1085590 by Rob Loach, keichee, tim.plunkett, mfer, ericduran: Update jQuery UI to the latest in the git repository.

Issue #1635134 by hairqles, floretan, webflo: Move date format translation functions from locale to system.

- Patch #1510686 by cosmicdreams, vasi1186, webflo, disasm: replace remaining references to global () with drupal_container().

Issue #1513580 by matt2000: Update hook_init and hook_boot docs to say whether themes are loaded when they run

- Patch #1404198 by sun, beejeebus, fago, chx: Separate database cache clearing from static cache clearing and data structure rebuilding.

- Patch #1183208 by effulgentsia, Niklas Fiekas, katbailey, no_commit_credit, catch: remove variable_get()('clean_url()') and switch to index.php/path pattern for dirty URL support.

Issue #1361234 by duellj, loganfsmyth, aspilicious, cosmicdreams, fago, amateescu, sun: Added Make the node entity a classed object.

Issue #720630 by kid_icarus, tsphethean: Clean up documentation for watchdog, hook_watchdog, and watchdog constants

Issue #1323124 by amateescu, aspilicious, Berdir: Convert file transfer system to PSR-0. Commit ALL THE files.