change ad_verify_and_get_user_id to ad_conn user_id, change ad_maybe_redirect_for_registration to auth::require_login, make some db_ and dt_ function -public
- Add IRC logs in reverse order so that the newest log is at the top of the page.- Add 'current' link to latest IRC log at the top of the page.- Add 'current' link to irc-logger for links from other sites to the latest log.- Update documentation.