Add 'graph' option to netdisco-do

Netdisco/lib/App/Netdisco/Util/Graph.pm

@@ -49,10 +49,14 @@ all subroutines.
 
 =head1 EXPORT
 
+=over 4
+
 =item graph()
 
 Creates netmap of network.
 
+=back
+
 =cut
 
 sub graph {
@@ -113,6 +117,8 @@ sub graph {
 
 =head1 EXPORT_OK
 
+=over 4
+
 =item graph_each($graph_obj, $name)
 
 Generates subgraph. Does actual GraphViz calls.
@@ -350,7 +356,7 @@ sub graph_addnode {
     return $rv;
 }
 
-=head2 make_graph()
+=item make_graph()
 
 Returns C<Graph::Undirected> object that represents the discovered network.
 
@@ -360,6 +366,8 @@ vertex.
 
 Nodes without topology information are not included.
 
+=back
+
 =cut
 
 sub make_graph {