Deploy v1 production grid

Also, a hostId as required by zfs.

And account for the odd-host-out. :/  See if you can spot it.

Fix Foolscap protocol issues.

It fails

Update the deployment to the now-current version of our various bits of software.

This fixes build issues relating to OpenSSL 1.0.2 as well as adding a basic level of
PrivacyPass-based functionality.

nixpkgs Python tools changed to no longer set PYTHONHOME for us
automatically.

overrides

They're not necessary on newly selected nixpkgs revision.