Fix missing documentation redirects for factory and forward

forward/doc/html/index.html

@@ -7,10 +7,10 @@
       (See accompanying file LICENSE_1_0.txt or copy at
       http://www.boost.org/LICENSE_1_0.txt) -->
     <title>Redirect to generated documentation</title>
-    <meta http-equiv="refresh" content="0; URL=http://boost-sandbox.sourceforge.net/libs/functional/forward/doc/html/">
+    <meta http-equiv="refresh" content="0; URL=http://www.boost.org/doc/libs/master/libs/functional/forward/doc/html/">
   </head>
   <body>
     Automatic redirection failed, please go to
-    <a href="http://boost-sandbox.sourceforge.net/libs/functional/forward/doc/html/">http://boost-sandbox.sourceforge.net/libs/functional/forward/doc/html/</a>
+    <a href="http://www.boost.org/doc/libs/master/libs/functional/forward/doc/html/">http://www.boost.org/doc/libs/master/libs/functional/forward/doc/html/</a>
   </body>
 </html>