PR: https://forum.opnsense.org/index.php?topic=1668

(fw, alias) refactor update_alias_names_upon_change to support nested alias renaming, closes https://github.com/opnsense/core/issues/1028

legacy_interface_stats using the wrong interface name. reference https://github.com/opnsense/core/issues/1014

This reverts commit 2fa901e8.

This reverts commit 4638d99c.

Prodded by: @fabianfrz

translation

(carp) remove restriction for matching interface subnet. closes https://github.com/opnsense/core/issues/795

openvpn client export, merge vpn_openvpn_export_shared.php into vpn_openvpn_export.php + small cleanups.

some fixes for vpn_openvpn_export.php