Reflect addition of proto

[SVN r49397]

index.html

@@ -55,9 +55,10 @@
 
   <h3>Changes in this release</h3>
 
-  <p>This release includes <i><b>4 new libraries</b></i> and
-  updates for many existing libraries. See
-  <a href="http://www.boost.org/users/history/version_1_36_0">Release
+  <p>This release includes <b><i>one</i></b><i><b> new librar</b></i><b><i>y</i></b> 
+  (<a href="doc/html/proto.html">proto</a>) and
+  updates to many existing libraries. See
+  <a href="http://www.boost.org/users/history/version_1_37_0">Release
   History</a> for more information.</p>
 
   <h3>Getting Started</h3>