implemented hiding/unhiding of mailing lists on the database side

static/templates/listadminlist.st

@@ -0,0 +1,26 @@
+<fieldset>
+    <legend>List of mailinglists</legend>
+    <table id="listlist">
+        <tr>
+            <th colspan="4">List</th>
+            <th colspan="3">IMAP</th>
+            <th colspan="3">SMTP</th>
+        </tr>
+        <tr>
+            <th>Name</th>
+            <th>Address</th>
+            <th>State</th>
+            <th>Actions</th>
+            <th>Host</th>
+            <th>Port</th>
+            <th>User</th>
+            <th>Host</th>
+            <th>Port</th>
+            <th>User</th>
+        </tr>
+    </table>
+    <a href="add_list">Add new mailing list</a>
+    <script type="text/javascript">
+        loadListAdminList();
+    </script>
+</fieldset>