[tor-relays] Testers needed for Nyx beta release

[Damian Johnson]

Hi all. Pushed a couple changes to address feedback thus far...

* Fixed the os.putenv() issue that came up for FreeBSD...

  https://gitweb.torproject.org/nyx.git/commit/?id=bcb0122

* When sqlite3 is unavailable encouraging folks to contact us so we
  can provide per-platform advice. For FreeBSD providing the 'pkg
  install' command mentioned earlier...

  https://gitweb.torproject.org/nyx.git/commit/?id=4bfe05d

Cheers! -Damian