Added possibility to reserve maps
If you set net_gameServerName you can now reserve maps in the maps.xml. There you have to add the servername - property to the tag. Then the map will only be activated by that server.
Also changed the activate sequence that the account server now tells the game server what maps to activate (previously the server requested all maps and the account server said yes or no).
TODO: Fix general inter server map switching.
Old patch. I did not changed it and i did not even looked at it in full depth. See this pullrequest as a discussion about the way the patch works.