Added osgViewer::View::setUpViewInWindow(...) method and command line option into

osgViewer::Viewer to allow you to specify the window dimentions and screen for
the window on startup.

include/osgViewer/View

@@ -148,6 +148,9 @@ class OSGVIEWER_EXPORT View : public osg::View, public osgGA::GUIActionAdapter
         /** Convinience method for creating slave Cameras and associated GraphicsWindows across all screens.*/
         void setUpViewAcrossAllScreens();
 
+        /** Convinience method for a single Camara on a single window.*/
+        void setUpViewInWindow(int x, int y, int width, int height, unsigned int screenNum=0);
+
         /** Convinience method for a single Camara associated with a single full screen GraphicsWindow.*/
         void setUpViewOnSingleScreen(unsigned int screenNum=0);