From Tom Jolly, addition a isCullingActive check to the culling test done on drawables.  This solves a osgParticle bug relating to bounding boxes being initially at 0,0,0.
From Tom Jolly, addition a isCullingActive check to the culling test done
on drawables.  This solves a osgParticle bug relating to bounding boxes being
initially at 0,0,0.


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@2800 16af8721-9629-0410-8352-f15c8da7e697

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