Server admin commands

Hint: This is way too much content for one episode, it should be split into 2 or more episodes!

• How to add maps to the server while its running (you can switch to them without restarting it, if you know how :P)
• How to intelligently restart/quit your server without losing the players on it (e.g. after a version update of Nexuiz) by automatically having all players that were on the server reconnect to it
• How to set up the next map to be played (removes the voting screen at the end of the current map)
• Switching the game type while the server is running (requires map restart)
• g_maplist_xxx commands
• serverside admin-message centerprinted to a specific player
• sv_adminnick
• explain syntax/usage of commands: kick, kickban, bans (lists them), remove a ban
• advice to use sv_cmd help when on server-console to get syntax info for commands above
• How to move players to another team
• server-side autodemos per client
• configuration of the map-autodownload. Configuration of sv_curl_defaulturl and curl_urls.txt