Merge from trunk 2712:

- Add known_template function (maybe we can change function name).
- Template extensions are working with menubar blocks templates.

git-svn-id: http://piwigo.org/svn/branches/2.0@2713 68402e56-0260-453c-a942-63ccdbb3a9ee

plugins/LocalFilesEditor/admin.php

@@ -184,7 +184,13 @@ switch ($page['tab'])
           'mainpage_categories.tpl',
           'thumbnails.tpl',
           'redirect.tpl',
-          // 'menubar.tpl' 
+          'menubar.tpl',
+          'menubar_categories.tpl',
+          'menubar_identification.tpl',
+          'menubar_links.tpl',
+          'menubar_menu.tpl',
+          'menubar_specials.tpl',
+          'menubar_tags.tpl',
           'header.tpl',
           'footer.tpl',
           'index.tpl',