combine Let's Encrypt cron with webserver-vhost-generation but allow manually execution using --debug/--force

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

lib/Froxlor/Cron/System/TasksCron.php

@@ -145,6 +145,7 @@ class TasksCron extends \Froxlor\Cron\FroxlorCron
 		$webserver = new $websrv();
 
 		if (isset($webserver)) {
+			$webserver->init();
 			$webserver->createIpPort();
 			$webserver->createVirtualHosts();
 			$webserver->createFileDirOptions();