Added support for pixel based LOD's and set the default priority scale to 1.0
Added support for pixel based LOD's and set the default priority scale to 1.0


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