Changed the parameter handling so that it supports left to right inheritance of settings
Changed the parameter handling so that it supports left to right inheritance of settings


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@6478 16af8721-9629-0410-8352-f15c8da7e697

joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg