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

[SVN r18525]

doc/regex_format.html

@@ -42,7 +42,7 @@ version of boost.regex and will not be further updated:</p>
 <h3>Algorithm regex_format</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 algorithm regex_format takes the results of a match and