added some new commands + fixes

1. GuildRegister removed (guilds dont work)
2. GuildHallPortal removed (guilds dont work)
3. romoved "Not supported type:" (spams the console)
Commands:
/swho (shows all players in all worlds)
/announcement <Text> (sends a text to all players)
/rteleport <PlayerName> (teleports a player to you)
/teleport <PlayerName> (teleports you to a player)