Servers report their game version and selected content package when registering to master server (not displayed anywhere atm but might be good to have the info available for future usage)

Subsurface/Source/Networking/GameServer.cs

@@ -256,7 +256,12 @@ namespace Barotrauma.Networking
             request.AddParameter("currplayers", connectedClients.Count);
             request.AddParameter("maxplayers", MaxPlayers);
             request.AddParameter("password", string.IsNullOrWhiteSpace(password) ? 0 : 1);
-            
+            request.AddParameter("version", GameMain.Version.ToString());
+            if (GameMain.Config.SelectedContentPackage != null)
+            {
+                request.AddParameter("contentpackage", GameMain.Config.SelectedContentPackage.Name);
+            }
+
             masterServerResponded = false;
             masterServerResponse = null;
             var restRequestHandle = restClient.ExecuteAsync(request, response => MasterServerCallBack(response));