Fix warnings in lexical_cast found by Boost Inspection program (copyrights restored according to svn history, license text replaced with license name and link to it)

[SVN r85149]

cast.htm

@@ -10,6 +10,13 @@
     <meta name="ProgId" content="FrontPage.Editor.Document">
 
     <title>Header boost/cast.hpp Documentation</title>
+    <style>
+       .copyright
+        {
+            color: #666666;
+            font-size: small;
+        }
+    </style>
   </head>
 
   <body bgcolor="#FFFFFF" text="#000000">
@@ -131,10 +138,9 @@ void f( Fruit * fruit ) {
                     -->June 23, 2005<!--webbot bot="Timestamp" endspan i-checksum="30348"
                     --></p>
 
-    <p>&copy; Copyright boost.org 1999. Permission to copy, use, modify, sell
-    and distribute this document is granted provided this copyright notice
-    appears in all copies. This document is provided "as is" without express
-    or implied warranty, and with no claim as to its suitability for any
-    purpose.</p>
+    <p class="copyright">&copy; Copyright boost.org 1999. 
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)
+    </p>
   </body>
-</html>
+</html>