Issue #1331486 by katbailey, chx, sun, beejeebus, amateescu: Move module_invoke_*() and friends to an Extensions class.

Issue #1833516 by Berdir, chx, catch, webchick: Add $settings for low-level configuration - move things out of .

Alex Bronstein authored May 08, 2012 and Larry Garfield committed May 09, 2012

#1536844: Moved language, path, theme, and module initialization from bootstrap to request listeners.

- 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 #334024 by klausi, catch, beejeebus, sun: Use const keyword to define constants instead of define().

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.

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.

Issue #1136130 by pillarsdotnet: Reinstated WATCHDOG_* constants; using PHP equivalents caused issues on Windows.

#609772 by dww, JacobSingh, ksenzee: Fixed Impossible to extend the FileTransfer class system in contrib

- Patch #732486 by Damien Tournoud, JacobSingh: drupal_add_http_header()  req ; make Status a normal header and drupal_add_http() header shouldn't return a list of headers.

- Patch #704656 by clemens.tolboom: authorize.php failed to proceed when 'Install from a URL' was selected. Undefined ajax_process_form().

#610290 by dww and sun: system_run_authorized() shouldn't always drupal_goto() so it can be used in submit handlers.

#320331 by Dave Reid, dww, John Morahan, cwgordon7, moshe weitzman, c960657, and smoothify: Turn custom_url_rewrite_inbound() and custom_url_rewrite_outbound() into hooks.

- Patch #605344 by dww: documentation and code style fixes for update manager. This was ready before freeze.

#538660 by JacobSingh, dww, JoshuaRogers, adrian, Crell, chx, anarcat, and cwgordon7: Add a functioning Plugin Manager to core. Can you say module installation and updates through the UI? I knew you could! :D