properties.hpp:

  - Use is_convertible inside is_vertex_bundle. We lose some checking in
    pathological cases, but it's not worth the effort.


[SVN r23172]

libs/graph

@@ -1 +1 @@
-Subproject commit 9613d2dd8cc24e4fa23d4acbff392b0672e4cf00
+Subproject commit 9d467c8df1804c3327a49bfcd0669b8e7a27fcbc