(cherry picked from commit 0441cf4c)
(cherry picked from commit 26568482)

(cherry picked from commit b6f3b960)

This is especially useful for "sudo su" in manually created admins
to gain access to the console menu without compromising the root
password.

(cherry picked from commit 273692e5)
(cherry picked from commit 96ffce7c)
(cherry picked from commit 686f6a92)

The console would refuse to assign an IP that was used by the
PPTP or L2TP server (surprisingly not PPPoE).  This rule changed
during the MPD4 -> MDP5 migration, so remove that code.  Also,
the subnet check was never executed, good time to remove it as
well.

(cherry picked from commit 081415d4)

If there is not enough space in /tmp, it's really nothing we
can do about here.  This is not an essential file.

(cherry picked from commit 123ed735)

(cherry picked from commit a52ec237)

Needs more fixing/unification with the proper way of doing it,
but for now let these strings trickle through the translation
machinery for maximum effect.

(cherry picked from commit 0c1e5723)

(cherry picked from commit e10bea7d)

(cherry picked from commit 835ad1b7)
(cherry picked from commit 49e364be)
(cherry picked from commit 0dca6edd)
(cherry picked from commit 63e1ff58)

Suggested by: @Antonio-Prado
Suggested by: @DokuKaefer

(cherry picked from commit c0b10d06)
(cherry picked from commit 9b652216)
(cherry picked from commit a0c0a254)
(cherry picked from commit 944de05c)
(cherry picked from commit 3442cf09)

(services_dnsmasq.php) colspan not compatible with mobile/opnsense_standard_table_form, closes https://github.com/opnsense/core/issues/1142

(cherry picked from commit a7e3a8bf)

(cherry picked from commit b3f3a68b)

Taking the liberty to use this as an opportunity to kill the
usage of "e-mail".

Suggested by: @Antonio-Prado

(cherry picked from commit d988799a)

(cherry picked from commit c9e04ae0)
(cherry picked from commit 720acc9e)

(cherry picked from commit f55a12b4)

(cherry picked from commit aaa0ddaf)

(cherry picked from commit 53fe7bc4)

(cherry picked from commit c43eaff4)

(cherry picked from commit c1141f4d)
(cherry picked from commit 1b21ad91)

(cherry picked from commit 58010a4c)

(cherry picked from commit e86885cb)
(cherry picked from commit 57bb583c)
(cherry picked from commit b2362628)

Omit the console changes, we are not prepared for improving
the translation there.

(cherry picked from commit 6411baea)

(cherry picked from commit 8b191e82)

(cherry picked from commit 3973a6ce)

(cherry picked from commit 7bf1343b)

(cherry picked from commit da3b10c6)

(cherry picked from commit 4725b679)

(cherry picked from commit 0cdad62a)

(cherry picked from commit c00e8eb0)

(cherry picked from commit c68ca487)

(cherry picked from commit ee6a8076)

(packet capture) stream/flush output to browser, closes https://github.com/opnsense/core/issues/1116

(cherry picked from commit 6e060977)

(cherry picked from commit 73a22784)

(cherry picked from commit 23930a85)

(cherry picked from commit 9d250cd1)
(cherry picked from commit fd172c63)

(cherry picked from commit 7985db12)

(cherry picked from commit 35b96a9d)
(cherry picked from commit e0083264)
(cherry picked from commit 84b04888)

(cherry picked from commit 2e31042e)