Updated the documentation stylesheet

doc/footer.htm

@@ -1,8 +1,9 @@
-
-        <p id="footer">
-            &nbsp;::&nbsp; Copyright &copy; 2007 Laurent Gomila, all rights reserved &nbsp;::&nbsp;
-            Documentation generated by <a href="http://www.doxygen.org/" title="doxygen website">doxygen 1.5.2</a> &nbsp;::&nbsp;
-        </p>
-
+        </div>
+        <div id="footer-container">
+            <div id="footer">
+                Copyright © Laurent Gomila &nbsp;::&nbsp;
+                Documentation generated by <a href="http://www.doxygen.org/" title="doxygen website">doxygen</a> &nbsp;::&nbsp;
+            </div>
+        </div>
     </body>
 </html>