always removed from known_hosts file. Ask user to lsign the host
key?
-Handle multiple hostnames (multiple user IDs?) when generating host
- keys with gen-key.
-
Work out the details (and describe a full use case) for assigning a
REVOKER during monkeysphere-server gen_key -- how is this set? How
do we export it so it's available when a second-party revocation is