Added rounding to nearest power of two in tile image size
Added rounding to nearest power of two in tile image size


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