pfSense

Import a patch to fix Net_IPv6::compress("::")

Obtained from: https://github.com/phil-davis/Net_IPv6/commit/638b96a253164b65c63825c38e79812b6c5f448d
Submitted by: @phil-davis

dyndns: add header processing in curl

some dyndns implementations rely on the correct HTTP header being set. the information was lost and now fixed.

Remove accidental code

Revise login hostname dispaly

Revert "Allow login hostname to be controlled via system.php"

This reverts commit cd6b99147a673b6bd0313fff55cab7eb6879608f.

Allow login hostname to be controlled via system.php

Added hostname to login page.
Option control required

(cherry picked from commit 616724395ae00a74fac4cf960ac2261b486e9dae)

Provide conrol on system.php to allow display of hostname on login banner

(cherry picked from commit a22947a4980a9f8beb294d6bad039495164ff1aa)

Update the variable with the round() return otherwise it does not has any effect.

Found while testing Ticket #6272.

(cherry picked from commit 92130da3b5fb55588d351c22042c9ce8ab5883d7)

Make setup_serial_port() write config files safely

This function used to replace /boot.conf, /boot/loader.conf and
/etc/ttys on every call. Depending of the moment a power failure
happens, any of these files can be blank and it'll break console setup
on next boot....