Added --kdtree command line option and associated invocation of KdTreeBuilder to enable benchmarking. Added timing stats code.
Added --kdtree command line option and associated invocation of KdTreeBuilder to enable benchmarking.
Added timing stats code.

openscenegraph/osg,scrawl/osg,scrawl/osg,openscenegraph/osg,scrawl/osg,scrawl/osg,openscenegraph/osg,openscenegraph/osg