Fixed broken links, added copyright declarations, renamed some long file names

[SVN r18525]

doc/basic_regex.html

@@ -35,7 +35,7 @@ border="0">
 <h3>Synopsis</h3>
 
 <pre>
-#include &lt;<a href="../../boost/regex.hpp">boost/regex.hpp</a>&gt;
+#include &lt;<a href="../../../boost/regex.hpp">boost/regex.hpp</a>&gt;
 </pre>
 
 <p>The template class <em>basic_regex</em> encapsulates regular