Add MSR; they finally came thru with the check.

www/sponsors.html

@@ -25,6 +25,7 @@ helping to support the network testbed.
 <li> <a href = "http://www.darpa.mil/ito/research/anets/">
 	DARPA/ITO Active Networks program</a>
 <li> <a href = "http://www.intel.com/">Intel Network Communications Group</a>
+<li> <a href = "http://research.microsoft.com/">Microsoft Research</a>
 <li> <a href = "http://www.novell.com/">Novell</a>
 <li> <a href = "http://www.nortel.com/">Nortel Networks</a>
 </ul>