1. Copy the content to your game folder, except the remoteServer.xml file.
2. Copy file remoteServer.xml to your server, or use pastebin.com
3. Edit file modpackVersion.xml and change the <RemoteServer>http://pastebin.com/raw.php?i=sxJfcJwq</RemoteServer> to your server (or pastebin raw url)
4. Edit modpackCheck.xml, read comments and adjust it to your needs.