Extension:OnlineStatusBar

OnlineStatusBar adds a little bar to user and talk pages of each user, which signalize whether they are available or not, the extension should be available in preferences in the future, so that each user could opt-out from using it.

Installation

 * 1) Add the required tables to the database; on the command line, enter:  (Note: Your designated database user needs to have CREATE rights on your MediaWiki database.) Alternatively you may create a table manually as defined in OnlineStatusBar.sql, by just executing it in the database.
 * 2) Just add the line:   to LocalSettings.php

Configuration
You may insert those parameters into LocalSettings.php:
 * $wgOnlineStatusBarDefaultIpUsers if you want to track also ip users
 * $wgOnlineStatusBarDefaultOnline default online status
 * $wgOnlineStatusBarDefaultOffline default offline status
 * $wgOnlineStatusBarDefaultEnabled if it's enabled for all users as default
 * $wgOnlineStatusBar_LogoutTime