Fix option name --port (was --pass) in facilitator-reg.

Found by Arlo Breault in
https://github.com/arlolra/flashproxy/commit/4638b12c6a1dd1b0ce64c29608081b29234bdd85.
Fix genrsa instructions in facilitator-reg-daemon.

Was already fixed in facilitator-howto.txt. Fuond by Arlo Breault in
https://github.com/arlolra/flashproxy/commit/7041f49bae3793470f81766359c5766a7ad88a07.