issue685275 - show retired/unretired items in roundup-admin add pragma display_header to print headers for display command. Header displays designator and retired/active status. Add doc of pragma to affected commands. Add test for code paths.

License
=======

Roundup is Free Software under the following license (from the file
COPYING.txt in the software distribution):

.. raw:: html

   <div class="file_insert">

.. include:: ../COPYING.txt

.. raw:: html

   </div>