Rewrote osg:Statistics so that it is PrimitiveFunctor as is now completely

decoupled from osg::Drawable.  The Drawable::getStats() virtual method
no longer exists.

Updated the Viewer to use the osg::Statistics incarnation and reformated stats
to clean it up.

include/osg/Geometry

@@ -91,10 +91,6 @@ class SG_EXPORT Geometry : public Drawable
           */
         virtual void drawImmediateMode(State& state);
 
-        /** Statistics collection for each drawable- 26.09.01
-         */
-        bool getStats(Statistics &);
-
 
         /** return the attributes supported by applyAttrbuteUpdate() as an AttributeBitMask.*/
         virtual AttributeBitMask suppportsAttributeOperation() const;