(cherry picked from commit 30484b27)

This reverts commit 0a2187b2.
Was supposed to be a commit on master.  :)

(cherry picked from commit b375ec03)

(cherry picked from commit 58d01270)

(cherry picked from commit f30dc897)

(cherry picked from commit 2fe2b218)

(cherry picked from commit b5d135de)

(cherry picked from commit 3b45b941)

(cherry picked from commit 08e04bad)

(cherry picked from commit 3a0fdb66)

(cherry picked from commit 496154d1)

(cherry picked from commit 60963fe9)

Taken from: https://forum.pfsense.org/index.php?topic=87436

(cherry picked from commit 55586d3c)

(even though it's not being used, garbage in -> garbage out)

(cherry picked from commit ca7602e8)

The option to register DHCP leases within unbound DNS was configurable via
DNS Resolver GUI, but the setting was ignored. DHCP leases were always applied.

(cherry picked from commit 4f116228)

(cherry picked from commit 346991be)

(cherry picked from commit bbb128f8)

(cherry picked from commit aa48b3db)

(cherry picked from commit b78b8e5d)

(ipsec, legacy) add ipsec (mobile) leases to diag and widget, rename "ipsec list_status" to "ipsec list status", closes https://github.com/opnsense/core/issues/139

(cherry picked from commit c3135f5f)

(cherry picked from commit 0beb30fd)

(cherry picked from commit 1d1c2c6a)

(cherry picked from commit 2d8d3c12)

(cherry picked from commit 9d46db1a)

(cherry picked from commit b1256d80)

(cherry picked from commit bd12f5dc)

(cherry picked from commit cc183802)

(cherry picked from commit cfb34330)

(cherry picked from commit 6b48c193)

(cherry picked from commit 8e664e7e)

(cherry picked from commit bd652e90)

(cherry picked from commit 99206e99)

(cherry picked from commit f8d651d1)

(cherry picked from commit 8f46be82)

(cherry picked from commit 9637b57a)