Remove old .html files; update redirect

index.html

@@ -1,14 +1,15 @@
 <html>
 <head>
-<meta http-equiv="refresh" content="0; URL=doc/index.html">
+<meta http-equiv="refresh" content="0; URL=doc/html/system.html">
 </head>
 <body>
 Automatic redirection failed, please go to
-<a href="doc/index.html">doc/index.html</a>.
-<hr>
-<p>© Copyright Beman Dawes, 2003</p>
-<p> Distribution under the Boost Software License, Version 1.0.
-(See accompanying file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
-www.boost.org/LICENSE_1_0.txt</a>)</p>
+<a href="doc/html/system.html">doc/html/system.html</a>.
 </body>
-</html>
+</html>
+<!--
+	© Copyright Beman Dawes, 2001
+	Distributed under the Boost Software License, Version 1.0.
+	See accompanying file LICENSE_1_0.txt or copy at
+	http://www.boost.org/LICENSE_1_0.txt
+-->