<!--BEGIN GENERATE_TREEVIEW-->
    <li class="footer">Generated on $datetime for $projectname by
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> $doxygenversion </li>
   </ul>
 </div>
<!--END GENERATE_TREEVIEW-->
<!--BEGIN !GENERATE_TREEVIEW-->
<hr class="footer"/><address class="footer"><small>
Generated on $datetime for $projectname by&#160;<a href="http://www.doxygen.org/index.html"><img class="footer" src="$relpath$doxygen.png" alt="doxygen"/></a> $doxygenversion</small></address>
<!--END !GENERATE_TREEVIEW-->
</body>
</html>

<!--BEGIN GENERATE_TREEVIEW-->
    <li class="footer">Generated on $datetime for $projectname by
    <a href="http://www.doxygen.org/index.html">
    <img class="footer" src="doxygen.png" alt="doxygen"/></a> $doxygenversion </li>
   </ul>
 </div>
<!--END GENERATE_TREEVIEW-->
<!--BEGIN !GENERATE_TREEVIEW-->
<hr class="footer"/>
<div class="footer" align="left">
  <small>Tarballs of the nightly generated Doxygen documentation are available
    for the
    <a href="http://public.kitware.com/pub/itk/NightlyDoxygen/InsightDoxygenDocHtml.tar.gz">html</a>,
    <a href="http://public.kitware.com/pub/itk/NightlyDoxygen/InsightDoxygenDocXml.tar.gz">xml</a>, and
    <a href="http://public.kitware.com/pub/itk/NightlyDoxygen/InsightDoxygenDocTag.gz">tag file</a>.
  </small>
</div>
<address class="footer">
  <small>Generated on $datetime for $projectname by&#160;<a href="http://www.doxygen.org/index.html"><img class="footer" src="$relpath$doxygen.png" alt="doxygen"/></a> $doxygenversion</small>
</address>
<!--END !GENERATE_TREEVIEW-->
</body>
</html>

Add links in the doxygen footer to the tarballs.
DOC: Add links in the doxygen footer to the tarballs.

As suggested by Bradley Lowekamp, links to the nightly doxygen tarballs of the
HTML, XML, and tag file output are placed in the HTML footer.

Change-Id: Iaf41e76388ce8019fe35906d6c1fc0ab3001e417
