DBAL: Majorly cleaned up and improved coding standards/documentation

Installer: cleaned up CSS header; updated comments in config.php to not say that passwords are stored with AES (as they are now stored with HMAC-SHA1)

Updated KNOWN_BUGS to point to our issue tracker

Crap, broke page editing. Fixed it.

Drafts saved on nonexistent pages now show up. Fixes issue 7.

Re-merge changes from a2hosting dev

Set up more sensible defaults (UTC, DST off) for timezone preferences. Also modified enano_date() to properly include GMT offsets when timezone characters are used. Fixes issue 4.

CAPTCHA: Added smart autosubmit for registration page. Usability testing was so-so, may back out later.

A couple fixes to permission out-of-scope errors.

Wikitext parser: re-added mailto support

Sessions: Made acl_check_deps() verify scope, so that all of an action's dependencies must apply to the namespace of the given action.

Removed history_rollback_extra action from scope of Special pages, as it's unneeded

PostgreSQL: bugfix in ACL related SQL query

PostgreSQL: Fixed another bug, this time in the log fetch code

Fixed ranks table under PostgreSQL. FIXME, only affects new installations and upgrades, if this bug is encountered in the wild we might want to look at auto-integrating a fix.

Updated default main page with links to the Google Code issue tracker