Update index.html

Point to examples hosted on VPS (via examples.links-lang.org)

Author: jamescheney

index.html

@@ -31,7 +31,7 @@ <h1>Links: Linking Theory to Practice for the Web</h1>
         </div>
         <div>
           <a class="btn" href="http://links-lang.org/quick-help.html">Docs</a>
-          <a href="http://groups.inf.ed.ac.uk/links/examples/">Demo programs</a>
+          <a href="http://examples.links-lang.org:8080/">Demo programs</a>
           <a href="http://lists.inf.ed.ac.uk/mailman/listinfo/links-users">links-users mailing list</a>
         </div>
       </div>