fixed UPnP more crashes

proper timeout: does not crash/lag if no UPnP devices are found
close all ports, sockets, responses after they have been used
so it does not crash when port forwarding for the 2nd time
put all exceptions logs into OpenRA sourcecode

OpenRA.Game/GameRules/Settings.cs

@@ -29,7 +29,7 @@ namespace OpenRA.GameRules
 		public int ExternalPort = 1234;
 		public bool AdvertiseOnline = true;
 		public string MasterServer = "http://master.open-ra.org/";
-		public bool AllowUPnP = true;
+		public bool AllowUPnP = false;
 		public bool AllowCheats = false;
 		public string Map = null;
 		public string[] Ban = null;