add tlsobs to docker container and do some cleanup
add tlsobs to docker container and do some cleanup

mozilla/tls-observatory,mozilla/tls-observatory,mozilla/TLS-Observer,mozilla/tls-observatory,jasonthomas/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,jasonthomas/tls-observatory