- turn private m_gui into protected m_gui to allow manipulation in

derived classes
- make OpenSimBackground inherit from OpenSim instead of OpenSimBase
  so that it will have a MainConsole instance and we can use console
  commands, setting m_gui to false

OpenSim/Region/Application/OpenSim.cs

@@ -51,10 +51,10 @@ namespace OpenSim
 
         protected string m_startupCommandsFile;
         protected string m_shutdownCommandsFile;
+        protected bool m_gui = false;
 
         private string m_timedScript = "disabled";
         private Timer m_scriptTimer;
-        private bool m_gui = false;
 
         public OpenSim(IConfigSource configSource) : base(configSource)
         {