esprit update, TGIF edition

New esprit update has been pushed upstream to the servers at this time.

• Added: administrative ticketing capability
• Added: WebDisk component, relaxed WebDAV to listen to all interfaces on the server on port 2077/TCP
• Added: svn DAV provider in WebDAV
• Added: Admin module
• Added: Roundcube Webmail
• Fixed: use noreply address for SQL backups
• Fixed: disable duplicate postback for tickets
• Fixed: Horde, SquirrelMail display fix-ups.  Truncate displayed URL, automatically redirect if login successful
• Fixed: Horde authentication bug
• Changed: force low priority on bandwidth/billing/control panel bug/enhancement tickets