feature 564: logs in the history table each user login

feature 562: possibility to log page visits for any combination of 
administrators/users/guests

git-svn-id: http://piwigo.org/svn/trunk@1565 68402e56-0260-453c-a942-63ccdbb3a9ee

identification.php

@@ -64,6 +64,7 @@ SELECT '.$conf['user_fields']['id'].' AS id,
       $remember_me = true;
     }
     log_user($row['id'], $remember_me);
+    pwg_log_login( $username );
     redirect(empty($redirect_to) ? make_index_url() : $redirect_to);
   }
   else