add sql-query of last statement to sql-debug for debugging purposes; fix default-ssl-ip setting and allow 'none' value

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

lib/functions/froxlor/function.getIpPortCombinations.php

@@ -64,5 +64,6 @@ function getIpPortCombinations($ssl = false) {
 }
 
 function getSslIpPortCombinations() {
-	return getIpPortCombinations(true);
+	global $lng;
+	return array('' => $lng['panel']['none_value']) + getIpPortCombinations(true);
 }