Fix broken link, add count of new libraries.

[SVN r43619]

index.html

@@ -55,8 +55,9 @@
 
   <h3>Changes in this release</h3>
 
-  <p>This release includes new libraries and
-  maintenance fixes to existing libraries. See <a href="????">Release
+  <p>This release includes <i><b>12 new libraries</b></i> and
+  maintenance fixes to existing libraries. See
+  <a href="http://www.boost.org/users/history/version_1_35_0">Release
   History</a> for more information.</p>
 
   <h3>Getting Started</h3>