- remove unused css for IE7

- fix admin view plugin (due to a recent change elsewhere)
- remove an echo from admin/stats.php

git-svn-id: http://piwigo.org/svn/trunk@2108 68402e56-0260-453c-a942-63ccdbb3a9ee

plugins/admin_multi_view/is_admin.inc.php

@@ -11,6 +11,7 @@ if (! defined('MULTIVIEW_CONTROLLER') )
   if ( !empty($theme) )
   {
     list($user['template'], $user['theme']) = explode('/', $theme);
+    unset( $user['admin_template'], $user['admin_theme']);
   }
   $lang = pwg_get_session_var( 'multiview_lang', '' );
   if ( !empty($lang) )