Additional supporters.

www/conservancy/static/sponsors/index.html

@@ -58,12 +58,16 @@ any of its sponsors.</p>
 <a id="supporters"></a>
    
 <ul id="supporters">
+  <li>Aleph Objects, Inc.</li>
+  <li>Mark Cohen</li>
   <li>Karl Fogel</li>
   <li>Philippe Gauthier</li>
   <li>Deborah A. Nicholson</li>
+  <li>Christopher Schafer</li>
   <li>W. John Sullivan</li>
   <li>Kat Walsh</li>
   <li>Christopher Allan Webber</li>
+  <li>Mark Wielaard</li>
   <li>立思科技藝術有限公司</li>
 </ul>