#200424 by mpare and myself: strengten the note that all settings.php set configuration options are fixed, and cannot be modified on the web interface

#141727 by merlinofchaos, dvessel, sun: restore themeability support for maintenance pages (regression)

#173408 by markus_petrux / add1sun: move proxy IP configuration options to settings.php, because these need to be used before Drupal has the variables loaded from the database

#170638 by JirkaRybka and chx: move update access variable to settings.php, so we can check whether it is wide open, and we have one place for settings

- Patch #99011 by merlinofchaos: remove sites/default/settings.php and ship with sites/default/default.settings.php.

by Moshe Weitzman, webernet, chx, erdemkose and myself

- Patch #117917 by chx, greg, webchick et al: fix problems with the automatic domain extraction  -- prevents users from logging in.

- Make installer code integrate better with module.inc / system.module
- Fix schema version bug when installing core