(legacy) unbound renders some illegal output for empty ipv6, closes https://github.com/opnsense/core/issues/738

(legacy) curly braces in unbound.inc, fix $numprocs in the process. closes https://github.com/opnsense/core/issues/736

(legacy) missing dependency, fixes PHP Fatal error:  Call to undefined function is_private_ip() in /usr/local/etc/inc/services.inc on line 1750

(legacy) suppress warning for socket_sendto(): Host lookup failed [-10004]: No address associated with name in /usr/local/etc/inc/notices.growl.class on line 79

(legacy) fix for PHP Warning:  in_array() expects parameter 2 to be array, null given in /usr/local/www/interfaces_bridge_edit.php on line 605

o rc script requires SERVERS, after basic init, before networking
o do not switch the shebang path for daemonize script

+ upgrade daemonize => 2.4.2
+ rc script require fix

(legacy) system_authservers.php, empty server name not allowed. closes https://github.com/opnsense/core/issues/731

(captive portal) fix multiple voucher generation, closes https://github.com/opnsense/core/issues/728

Closes #707
Closes #732

Firewall log not dispalaying intentionally logged IGMP packets

(captive portal) change voucher download filename to match groupname, original idea from @DokuKaefer