Remove hardwired (and out of date) list of node types, and instead

redirect user to the node status page which lists all the node types
the user actually has permission to use.

www/tutorial/nscommands.html

@@ -198,10 +198,10 @@ tb-set-hardware $node4 shark
 <p>Notes:
 
 <ul>
-  <li>Currently only <code>pc</code>, <code>pc600</code>, 
-     <code>pc850</code>, and <code>shark</code> are
-     supported types.  <code>pc</code> is the default type.
-  <li>No current types have any additional arguments.
+  <li> Please see the <a href=https://www.emulab.net/nodecontrol_list.php3>
+       Node Status</a> page for a list of available types.
+       <code>pc</code> is the default type. 
+  <li> No current types have any additional arguments.
 </ul>
 
 <hr>