pfSense

Don't start unbound in track6 config if system is booting. Add dnsmasq here as well. Based on PR 2943. Ticket #6186

Use -g with groupdel when passing a GID. Ticket #6352

Fix #6278

$cpzone is always in lowercase, it's used as the array key used in
config.xml. Use it in two cases where the $cp['zone'] was being wrongly
used:

- To find out zoneid
- To replace PORTAL_ACTION url

Store notices safely to prevent potential XSS when notices are displayed locally or by remote systems where they're shipped. Ticket #6154

Fix package_reinstall_all post-upgrade when packages have been removed in pre_upgrade. Ticket #6137

Tweak upgrade - Remove unused code and document changes better

This will ensure a smooth upgrade for those running config 15.4 to any next version.

Prefer index.php over index.html where both exist.

Only execute remote search operation on first call of get_pkg_info(), this should fix #6177

Revert "Add config upgrade code to update package names. Ticket #6118"

This reverts commit 291fad43870bdb39ef0ab32125b022e268a29cf7.

Check for is_array here to avoid possible issues if the config.cache is invalid. Adapted from PR 2925