random number library update

[SVN r9792]

index.htm

@@ -51,6 +51,10 @@ section</a> (formerly called the &quot;vault&quot;).</p>
 <p>Beman Dawes is the Boost <a name="webmaster">webmaster</a>; email him at <a href="mailto:beman@boost.org">beman@esva.net</a>
 with any concerns you don't want to just post to the mailing list.</p>
 <h2>Latest News</h2>
+<p>Version 1.21.2<p>
+<ul>
+  <li><a href="libs/random/index.html">Random Number Library</a>: Split into separate headers, updated documentation, added lagged_fibonacci generator.</li>
+</ul>
 <p>March 14, 2001 - Version 1.21.1</p>
 <ul>
   <li>New <a href="more/download.html">download page</a>.&nbsp; The .zip and .tar.gz