Added src/osg/NodeCallback.cpp.
Added src/osg/NodeCallback.cpp.


marchelbling/osg,scrawl/osg,marchelbling/osg,openscenegraph/osg,artoolkit/osg,marchelbling/osg,jtorresfabra/osg,tomasthoresen/osg,tomasthoresen/osg,tomasthoresen/osg,tomasthoresen/osg,artoolkit/osg,artoolkit/osg,scrawl/osg,jtorresfabra/osg,jtorresfabra/osg,openscenegraph/osg,jtorresfabra/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg,scrawl/osg,artoolkit/osg,marchelbling/osg