Toolserver:IRC bots

There are several bots on the #wikimedia-toolserver channel:


 * tsbot: provides several useful commands:
 * @replag : show the current replication lag
 * CIA-#: notifies of posts on the toolserver-l mailing list
 * Drone: keeps channel logs
 * nagios-wm-echo: echos toolserver-related status messages from #wikimedia-tech
 * msgbot: displays miscellaneous messages, including JIRA bug changes and HQ status notifications
 * wikirc: shows notifications of edits to this wiki and Confluence
 * Wikilinker: converts wikilinks into real URLs (will also make links to JIRA for links with the jira: prefix)