add support for admin tasks as plugins

Netdisco/share/views/layouts/main.tt

@@ -84,6 +84,20 @@
         <i id="navsearchgo" class="icon-search navbar_icon"></i>
         </span>
       </form>
+      [% IF vars.user.admin %]
+      <ul class="nav">
+        [% IF settings.admin_tasks.size %]
+        <li class="dropdown[% ' active' IF vars.nav == 'admin' %]">
+          <a href="#" class="dropdown-toggle" data-toggle="dropdown">Admin Tasks <b class="caret"></b></a>
+          <ul class="dropdown-menu">
+          [% FOREACH ai IN settings.admin_tasks %]
+            <li><a href="[% uri_for('/admin/' _ ai.tag) %]">[% ai.label | html_entity %]</a></li>
+          [% END %]
+          </ul>
+        </li> <!-- /dropdown -->
+        [% END %]
+      </ul>
+      [% END %]
       <ul class="nav pull-right">
         <li class="nd_navbartext">Logged in as &nbsp;</li>
         <li class="dropdown">