Changed the main to create a Group and then add the loaded scene and HUD scene into this.  This has been done to rework code nearer to what Stephan Huber used to get round a crash under OSX when a model was passed in.  This crash suggest a problem in dynamic_cast<> perhaps?
Changed the main to create a Group and then add the loaded scene and HUD scene
into this.  This has been done to rework code nearer to what Stephan Huber
used to get round a crash under OSX when a model was passed in.  This crash
suggest a problem in dynamic_cast<> perhaps?


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@2437 16af8721-9629-0410-8352-f15c8da7e697

joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg