Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/web/client/client_edit.php

@@ -352,8 +352,8 @@
               $subject = str_replace('{password}', $this->dataRecord['password'], $subject);
               break;
            case 'gender':
               $message = str_replace('{salutation}', $wb['gender_'.$val.'_txt'], $message);
               $subject = str_replace('{salutation}', $wb['gender_'.$val.'_txt'], $subject);
               $message = str_replace('{salutation}', $app->tform->lng('gender_'.$val.'_txt'), $message);
               $subject = str_replace('{salutation}', $app->tform->lng('gender_'.$val.'_txt'), $subject);
               break;
            default:
               $message = str_replace('{'.$key.'}', $val, $message);