Added Boost.Container description

[SVN r74972]

libs/libraries.htm

@@ -109,6 +109,7 @@ how to download, build, and install the libraries.</p>
     <li><a href="config/config.htm">config</a> - Helps boost
         library developers adapt to compiler idiosyncrasies; not
         intended for library users.</li>
+    <li><a href="container/index.html">container </a>- Standard library containers and extensions, from Ion Gazta&ntilde;aga</li>
     <li><a href="conversion/index.html">conversion</a> - Polymorphic and lexical casts, from Dave Abrahams and
         Kevlin Henney.</li>
     <li><a href="crc/index.html">crc</a> - Cyclic Redundancy Code, from Daryle
@@ -368,6 +369,7 @@ how to download, build, and install the libraries.</p>
         </li>
     <li><a href="circular_buffer/index.html">circular_buffer</a> - STL compliant
         container also known as ring or cyclic buffer, from Jan Gaspar.</li>
+    <li><a href="container/index.html">container </a>- Standard library containers and extensions, from Ion Gazta&ntilde;aga</li>
     <li><a href="dynamic_bitset/dynamic_bitset.html">dynamic_bitset</a> - A runtime sized version of <tt>std::bitset</tt> from Jeremy Siek and Chuck Allison.</li>
     <li><a href="gil/doc/index.html">gil</a> - Generic Image Library, from
          Lubomir Bourdev and Hailin Jin.</li>