added preliminary heartbeat system

modified the deployment of outdated message
inform user of invalid rcon password
reworked layout of first time server setup
fixed KDR not being properly truncated in some cases
fixed duplicate game-end event
more crash fixes

Admin/Connection.cs

@@ -35,6 +35,20 @@ namespace IW4MAdmin
             }
         }
 
+        public void Request(String data)
+        {
+            try
+            {
+                WebResponse Resp = WebRequest.Create(data).GetResponse();     
+                Resp.Close();
+            }
+
+            catch (System.Net.WebException E)
+            {
+                return;
+            }
+        }
+
         private String Location;
         private WebRequest ConnectionHandle;
     }