Added support for Viewer::setViewer::setView so that the internal old

style osg::Camera and camera manipulators are updated correctly.

include/osgProducer/OsgCameraGroup

@@ -145,7 +145,7 @@ class OSGPRODUCER_EXPORT OsgCameraGroup : public Producer::CameraGroup
 
         /** Set the model view matrix of the camera group,
           * by individually set all the camera groups's camera.*/
-        void setView(const osg::Matrix& matrix);
+        virtual void setView(const osg::Matrix& matrix);
         
         /** Get the model view martrix of the camera group,
           * taking its value for camera 0.*/

include/osgProducer/Viewer

@@ -70,7 +70,12 @@ class OSGPRODUCER_EXPORT Viewer : public OsgCameraGroup, public osgGA::GUIAction
         
         void setUpViewer(unsigned int options=STANDARD_SETTINGS);
         
-        bool done() const { return _done; }
+        /** return true if the application is done and should exit.*/
+        bool done() const;
+
+        /** Set the model view matrix of the camera group,
+          * by individually set all the camera groups's camera.*/
+        virtual void setView(const osg::Matrix& matrix);
 
         /** Set the threading model and then call realize().*/
         virtual bool realize(ThreadingModel thread_model);