Add pointers to authd and Catalina (SDSC grid scheduler)

doc/html/download.shtml

@@ -59,7 +59,8 @@ http://io-watchdog.googlecode.com/files/io-watchdog-0.6.tar.bz2</a></li>
 <li><b>Authentication</b> plugins identifies the user originating 
 a message.</li>
 <ul>
-<li><b>Munge</b><br>
+<li><a href="http://www.theether.org/authd">authd</a></li>
+<li><b>Munge</b> (recommended)<br>
 In order to compile the "auth/munge" authentication plugin for SLURM, 
 you will need to build and install Munge, available from 
 <a href="http://home.gna.org/munge/">http://home.gna.org/munge/</a> or
@@ -116,6 +117,8 @@ https://sourceforge.net/projects/slurm/</a>.
 
 <li><b>External schedulers</b> offering control over the workload</li>
 <ul>
+<li><a href="http://www.sdsc.edu/catalina/">Catalina</a> a scheduler supporting the
+<a href="http://www.ogf.org/">Open Grid Forum</a> Advance Reservation API</li>
 <li><a href="http://www.platform.com/">Load Sharing Facility (LSF)</a></li>
 <li><a href="http://www.clusterresources.com/pages/products/maui-cluster-scheduler.php">
 Maui Scheduler</a></li>
@@ -140,6 +143,6 @@ Portable Linux Processor Affinity (PLPA)</a></li>
 
 </ul>
 
-<p style="text-align:center;">Last modified 8 June 2009</p>
+<p style="text-align:center;">Last modified 9 June 2009</p>
 
 <!--#include virtual="footer.txt"-->