Add link to ib2slurm in topology web page

doc/html/topology.shtml

@@ -156,6 +156,10 @@ within those switches. If optimizing resource selection by node weight is more
 important than optimizing network topology then do NOT use the
 topology/tree plugin.</p>
 
+<p><b>NOTE:</b>The <b>topology.conf</b> file for an Infiniband switch can be
+automatically generated using the <b>ib2slurm</b> tool found here:<br>
+<a href="https://github.com/fintler/ib2slurm">https://github.com/fintler/ib2slurm</a>.</p>
+
 <h2>User Options</h2>
 
 <p>For use with the topology/tree plugin, user can also specify the maximum
@@ -185,6 +189,6 @@ The value will be set component types listed in SLURM_TOPOLOGY_ADDR.
 Each component will be identified as either "switch" or "node".
 A period is used to separate each hardware component type.</p>
 
-<p style="text-align:center;">Last modified 28 September 2015</p>
+<p style="text-align:center;">Last modified 9 October 2015</p>
 
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