Added a couple more #defines for the texture cube maps that one can use.
Added a couple more #defines for the texture cube maps that one can use.


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