Merge adding predef to index.html.

[SVN r85633]

index.html

@@ -55,10 +55,8 @@
 
   <h3>Changes in this release</h3>
 
-  <p>This release includes three new libraries
-  (<a href="libs/log/index.html">Log</a>,
-  <a href="libs/tti/index.html">TTI</a> and
-  <a href="libs/type_erasure/index.html">TypeErasure</a>),
+  <p>This release includes one new library
+  (<a href="libs/predef/index.html">Predef</a>),
   as well as updates to many existing libraries. See
   <a href="http://www.boost.org/users/history/version_1_55_0.html">Release
   History</a> for more information.</p>