Make the Graph library pass inspection

[SVN r25045]

index.htm

@@ -153,9 +153,9 @@
                               graph adaptors</a> have been ported to
                               LEDA 4.5.</li>
                               <li>Added algorithms for <a
-                              href="libs/graph/doc/brandes_betweenness_centrality.html">betweenness
+                              href="libs/graph/doc/betweenness_centrality.html">betweenness
                               centrality</a> and <a
-                              href="libs/graph/doc/betweenness_centrality_clustering.html">betweenness
+                              href="libs/graph/doc/bc_clustering.html">betweenness
                               centrality clustering</a>.</li>
                               <li>Added <a
                               href="libs/graph/doc/circle_layout.html">circle

libs/graph

@@ -1 +1 @@
-Subproject commit 1b13e37ec2eb61c4ba3271a4cd17cda82eba3f65
+Subproject commit b7d9331f0e513c53b73e92f48dd8c3fa665e8c52