bugfix in non-manifold geometry handling, vertex crease weights not properly set to inf
bugfix in non-manifold geometry handling, vertex crease weights not properly set to inf

Sjoerdie/embree,embree/embree,embree/embree,Sjoerdie/embree,embree/embree,Sjoerdie/embree,embree/embree,Sjoerdie/embree