merge r7210 from branch 2.1 to trunk

feature 1756 added: returns the security token in method pwg.session.getStatus


git-svn-id: http://piwigo.org/svn/trunk@7212 68402e56-0260-453c-a942-63ccdbb3a9ee

include/ws_functions.inc.php

@@ -1360,6 +1360,7 @@ function ws_session_getStatus($params, &$service)
   {
     $res[$k] = $user[$k];
   }
+  $res['pwg_token'] = get_pwg_token();
   $res['charset'] = get_pwg_charset();
   return $res;
 }