(cherry picked from commit 6b151510)

(cherry picked from commit 35bd5f50)

(cherry picked from commit d1c84653)

(cherry picked from commit 3752add1)

(cherry picked from commit 896bcc5f)

(cherry picked from commit 8fcb67b4)

(cherry picked from commit fbb98523)

(cherry picked from commit fafe2a0d)

(cherry picked from commit d86e7683)

(cherry picked from commit b459bada)

(cherry picked from commit 7786843f)

(cherry picked from commit 47b56236)

(cherry picked from commit 4227d111)

(cherry picked from commit b13fe7de)

(cherry picked from commit 1c69108b)

(cherry picked from commit 3492708a)

(cherry picked from commit 5adb350e)

(cherry picked from commit 4b013c0b)

(cherry picked from commit 0ec32edf)

(cherry picked from commit 66d8d5f0)

(cherry picked from commit 37d890f1)

(cherry picked from commit 71d06a6f)

(cherry picked from commit d7822a5f)

(cherry picked from commit ee567e36)

(cherry picked from commit 41232ca5)

(cherry picked from commit 72ef0b01)

(cherry picked from commit 7a43d708)

services_dyndns_edit: wrong parameter type for htmlspecialchars, closes https://github.com/opnsense/core/issues/813

(cherry picked from commit 9da1b92e)

Requires FLAVOUR setting of not OpenSSL and git + gettext-tools
packages installed.

(cherry picked from commit 445504da)

(cherry picked from commit 65c3270c)

(cherry picked from commit 880980a7)

(cherry picked from commit a70e1e97)

(cherry picked from commit 9a9af1b6)

(cherry picked from commit 92c9c04d)

(cherry picked from commit 3142c218)

(cherry picked from commit 78ee8848)

(cherry picked from commit dba4ef58)

(cherry picked from commit fa9639fe)

(cherry picked from commit 6e9a10aa)

Reported by: @fabianfrz @lattera

(cherry picked from commit ba7db37e)