And test for (kind of) SSH availability

It fails

The layer above will have to make sure that it is.

also if get-passes fails dump the tahoe logs

it needs the plugin too

Put it into a language that I can more easily maintain

The issuer runs.  Helpers to poke the right API calls into the right place
forthcoming...

just need 35 more hosts and then defining the function will be a win ...

Also improve failure reporting.

Also, comments.