(lang) sort collected gettext from "make dynamic", closes https://github.com/opnsense/core/issues/659

(legacy) fix  ldap import authentication container layout, closes https://github.com/opnsense/core/issues/673

IPsec tunnels: enhance table of configured tunnels

(legacy) bring down interface on change in interfaces_assign.php, related to https://github.com/opnsense/core/issues/654

In languages where scoping matters this would be really iffy...

certs: refactor ca_chain for #664

Time to flip defaults for 16.1.  :)

some translation fixes

o Help link is in the menu and was already removed from MVC version
o Display user@host.domain in MVC too
o Logout is in the menu too

We might be able to salvage all the space now that the menu is consisten
and transform the top bar into the tile bar instead...

Log links still show, but will be killed as well early in the 16.1
series.

o is_install_media() was being misused.  In the instance of dhcp6,
  the backup file did not even exist, I think someone did copy+paste
  the IPv4 code back in the day and the actual backup was never added.

o match_wireless_interface() was moved to interfaces.inc where it
  belongs.