Added boundary bisector computation, bisector intersection thickness and segment removal.
Added boundary bisector computation, bisector intersection thickness and segment removal.


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