Role diagram for repo roles too

templates/repo/role/graph.hamlet

@@ -15,8 +15,10 @@ $# <http://creativecommons.org/publicdomain/zero/1.0/>.
 <p>
   <a href=@{RepoRoleNewR shr}>New…
 
-<ul>
-  $forall Entity _rid role <- roles
-    <li>
-      <a href=@{RepoRoleR shr $ repoRoleIdent role}>
-        #{rl2text $ repoRoleIdent role}
+^{repoRoleGraphW shr graph}
+
+$#<ul>
+$#  $forall Entity _rid role <- roles
+$#    <li>
+$#      <a href=@{RepoRoleR shr $ repoRoleIdent role}>
+$#        #{rl2text $ repoRoleIdent role}