switch from ddportfolio to debianmemberportfolio

- change all references from ddportfolio to debianmemberportfolio
- rename debianmemberportfolio.controllers.DDPortfolioController to
  debianmemberportfolio.controllers.Controller
- update documentation
- update copyright years, unify file header formatting

debianmemberportfolio/templates/showform.mako

@@ -25,8 +25,8 @@ with this program.  If not, see <http://www.gnu.org/licenses/>.
 </%def>
 <%def name="extrahead()">${h.javascript_link('/javascript/jquery/jquery.js',
 h.url(controller='showformscripts', action='index'))}</%def>
-${h.form(h.url(action='urllist', controller='ddportfolio'), method='get')}
-<fieldset id="ddportfolio">
+${h.form(h.url(action='urllist', controller='portfolio'), method='get')}
+<fieldset id="portfolio">
   <legend>${_('Debian Member Portfolio')}</legend>
   <div id="emailfield" \
        % if 'email' in c.messages['errors']: