Contact Info is no longer added on FFBS nodes since our gluon release of
v2017.1.8. On nodes that have been running before this release this
field is set to "Intentionally left blank".

This Info should not be shown on the statuspage.

Signed-off-by: Chrissi^ <chris@tinyhost.de>

The field was accidentally removed during the status-page rewrite.

Fixes #1401

A downside of this behaviour is that the page does not work for IPv4-only
clients, as the redirect will always point at an IPv6 address.

Still, it seems like a good idea to enforce the redirect even from the IPv4
next-node address, as switching nodes while being connected to the status
page would lead to unexpected behaviour.

This new status page is significantly smaller than the old one. It always
loads its resources from the same host as the page itself, not requiring
cross-origin requests anymore.

It also uses the common i18n infrastructure of gluon-web.

Fixes #914