Change file mode of backups that are made available for download to 0600.

Till Brehm

2016-06-27 65ee3af0845f20cd3ae4a3d0c2ee3ce865f7fc7c

 interface/lib/classes/aps_crawler.inc.php

@@ -460,6 +460,7 @@
               }
            }
            //var_dump($apps);
            //echo print_r($apps_to_dl).'<br>-------------------<br>';

            // For memory reasons, unset the current vendor and his apps
            unset($apps);