Description of configuration options for ssl

Configuration option = Default value	Description
[DEFAULT]
ssl_ca_file = None	(StrOpt) CA certificate file to use to verify connecting clients
ssl_cert_file = None	(StrOpt) Certificate file to use when starting the server securely
ssl_key_file = None	(StrOpt) Private key file to use when starting the server securely
[ssl]
ca_file = None	(StrOpt) CA certificate file to use to verify connecting clients
cert_file = None	(StrOpt) Certificate file to use when starting the server securely
key_file = None	(StrOpt) Private key file to use when starting the server securely