Merge branch 'master' into 'stable-3.1'

Till Brehm

2016-05-24 a775b024c9929f720771830c15e8b77303595cc0

 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);