New(minor): Add Logout from admin menu (net cafe or office shared desktop) - saqwild request

git-svn-id: http://piwigo.org/svn/branches/2.0@3521 68402e56-0260-453c-a942-63ccdbb3a9ee

admin.php

@@ -95,6 +95,7 @@ $template->assign(
     'U_PERMALINKS'=> $link_start.'permalinks',
     'U_RETURN'=> make_index_url(),
     'U_ADMIN'=> PHPWG_ROOT_PATH.'admin.php',
+    'U_LOGOUT'=> PHPWG_ROOT_PATH.'index.php?act=logout',
     'U_PLUGINS'=> $link_start.'plugins_list',
     )
   );

admin/template/goto/admin.tpl

@@ -20,6 +20,7 @@ jQuery().ready(function(){ldelim}
         <li><a href="{$U_RETURN}">{'home'|@translate}</a></li>
         <li><a href="{$U_FAQ}">{'instructions'|@translate}</a></li>
         <li><a href="{$U_ADMIN}" title="{'hint_admin'|@translate}">{'admin'|@translate}</a></li>
+        <li><a href="{$U_LOGOUT}">{'logout'|@translate}</a></li>
 {if isset($pwgmenu)}
         <li class="external"><a class="external" href="{$pwgmenu.WIKI}" onclick="window.open(this.href, ''); 
           return false;">{'WIKI / DOC'|@translate}</a></li>