pfSense

Add options to export ca, certificate and user certificate data from the
webui.

Rework most of the OpenVPN support. The interfaces have been updated to
not use the pkg system and the configuration has been migrated to an
openvpn prefix. The centralized user and certificate manager is now used
to support the openvpn configurations. Most of the files removed in this...

Implement a certificate authority and certificate webui that can be used
to centrally manage this data. There are no consumers at this time. This
interface allow for the following ...

Certificate Authority Manager:
- List certificates authorities
- Import existing certificate authority...