PR: https://forum.opnsense.org/index.php?topic=2012.0
(cherry picked from commit 9dd8a244)

(cherry picked from commit 23ef5f70)

(cherry picked from commit f903f986)

(cherry picked from commit 31952088)

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

(cherry picked from commit ebd02c22)

(cherry picked from commit 555fda69)

(cherry picked from commit 95fb0aa3)

(cherry picked from commit 0201f60b)

(cherry picked from commit 4fc39576)

(cherry picked from commit e6ee8423)

(cherry picked from commit ffc5ef3a)

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

(cherry picked from commit fd395c71)

(cherry picked from commit 27b4d61b)

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

(cherry picked from commit 394ad989)

(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

(cherry picked from commit 1be61431)

(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

(cherry picked from commit 2ed6e9b1)

(cherry picked from commit 9328994e)

(cherry picked from commit de2b543d)

(cherry picked from commit 62a8d031)

(cherry picked from commit 74d923fd)

(cherry picked from commit 0bba9c63)
(cherry picked from commit fad32682)

o $g['theme'] usage converted
o $g['language'] usage zapped
o globals.inc removed

(cherry picked from commit 4c27e412)

(cherry picked from commit 8f92a6a2)

(cherry picked from commit 6c2e1467)

(cherry picked from commit a1dbc189)

(cherry picked from commit 88ebf762)

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

(cherry picked from commit 832cd12f)

(cherry picked from commit 08663618)

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

(cherry picked from commit 85630abc)

Closes #707
Closes #732

(cherry picked from commit d9ac9c02)

(cherry picked from commit d6c03f12)
(cherry picked from commit 70e1c889)
(cherry picked from commit cfb4c9f1)
(cherry picked from commit 4a1614bd)
(cherry picked from commit fd47bb52)
(cherry picked from commit 67d418a9)
(cherry picked from commit fbc5401d)

The log filter were dropped because the packets did not get source and destination set.
Signed-off-by: Isaac (.ike) Levy <ike@blackskyresearch.net>
(cherry picked from commit b79a6d14)

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

(cherry picked from commit 8034446f)

(cherry picked from commit 35a11180)

(IDS) add ssl fingerprint blacklist and other abuse lists to standard. courtesy of abuse.ch (https://www.abuse.ch/)

(cherry picked from commit ec244ebe)

(cherry picked from commit 585e1b10)

(cherry picked from commit 0d7e02e7)

(cherry picked from commit 3eecf959)

(cherry picked from commit 1e4725b2)