Small improvement: order group by name

Change cat_*.php header

Merge BSF 1959:1961 into branch-1_7

git-svn-id: http://piwigo.org/svn/branches/branch-1_7@1962 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/group_list.php

@@ -168,7 +168,7 @@ $template->assign_vars(
 $query = '
 SELECT id, name, is_default
   FROM '.GROUPS_TABLE.'
-  ORDER BY id ASC
+  ORDER BY name ASC
 ;';
 $result = pwg_query($query);