fix wait_for_connection

Wait for connection was considering a connection *trying* to connect as
a valid connection, which is wrong.
Update expired cacert.org certificates
Fix wait_for_connection to tolerate badrpc
Add better logging to repl_ssl, improve test somewhat
Regenerate expired SSL certs, this time with a 10 year expiry
Merge pull request #291 from basho/adt-ssl-fix

Fix various issues with the replication SSL test