Not sure if this works, but it looks better than before.

(cherry picked from commit f7ffa6e4)

* system_console_configure() is really system_login_configure()+
* make a template for sudoers config setting
* move auth template generation to single spot

(cherry picked from commit 2d450939)
(cherry picked from commit 24368104)

PR: https://github.com/opnsense/core/issues/1200

(cherry picked from commit a801eb11)

(model, fieldtypes) add update only text field type, closes https://github.com/opnsense/core/issues/1045

(cherry picked from commit c6fdfee8)

(cherry picked from commit 04a1d6c4)
(cherry picked from commit 9385d1fb)

(cherry picked from commit b406098d)

Since plugins are now tied to the heartbeat of the system itself,
it makes sense to split out hardcoded base functionality into
their pluggable counterparts.  Start with the candidates that
already have a plugin file.

(cherry picked from commit 6d2c81d7)
(cherry picked from commit 02956706)
(cherry picked from commit dc3b4419)
(cherry picked from commit 5e127d5e)

(cherry picked from commit 53f44c89)

(cherry picked from commit 8185e200)
(cherry picked from commit 6aac623b)

We have manifests for packages, no need to duplicate info
about sub-packages that aren't really packages.

Approved by: @adschellevis

(cherry picked from commit e713d12a)

(cherry picked from commit 7094a5cd)

(cherry picked from commit b60391da)
(cherry picked from commit 9b0ed8f8)
(cherry picked from commit 289c349b)
(cherry picked from commit c378d413)
(cherry picked from commit 6aaba834)
(cherry picked from commit 22928ac8)
(cherry picked from commit 15214186)
(cherry picked from commit 57fb95f8)
(cherry picked from commit c5ab052b)
(cherry picked from commit f39ce32b)
(cherry picked from commit 143a9b34)
(cherry picked from commit 029393ad)

(cherry picked from commit fe81d2e8)
(cherry picked from commit 58ca0284)

(cherry picked from commit 5ac1ab3f)

(cherry picked from commit d82608e1)
(cherry picked from commit 6f2bd698)
(cherry picked from commit c34ac4df)
(cherry picked from commit 1af75a82)

(cherry picked from commit 2155d52f)

(cherry picked from commit 38fc7d4d)

(cherry picked from commit 5a6f5b64)
(cherry picked from commit 8b6108a8)
(cherry picked from commit 8f00c9c7)

(cherry picked from commit bbab5ea3)

(cherry picked from commit 870fcde1)

(ipsec, "save password") change yes -> 1 for 28673. for https://github.com/opnsense/core/issues/1209

(cherry picked from commit 8459b38f)

We don't need 7z anymore, so it's better to use the lightweight package.

(cherry picked from commit 804d915b)

(cherry picked from commit d032a27b)

(cherry picked from commit 34604d5a)

(cherry picked from commit f8645117)

(cherry picked from commit 5365f380)

(cherry picked from commit 0fd14066)

Spotted by: pavelb

(cherry picked from commit c5c1c110)

(cherry picked from commit 6735984b)

PR: https://github.com/opnsense/core/issues/1214

(cherry picked from commit 5dc95bac)
(cherry picked from commit 6eea44ff)

(cherry picked from commit 1d4ca0ff)
(cherry picked from commit 0e03967c)

(cherry picked from commit 407dc8ae)

We can only update from -devel so we do not need this code now.

(cherry picked from commit 9859d51e)

(cherry picked from commit 436a9fa3)