bug description

Unit tests have to adjusted for the new parameter cipher_list

fix recommendation

diff -r bcfdd6de09ae test/unit/test_xmpp_transports_nb2.py

    --- a/test/unit/test_xmpp_transports_nb2.py	Sat Dec 14 10:04:51 2013 +0100
    +++ b/test/unit/test_xmpp_transports_nb2.py	Mon Dec 16 11:12:26 2013 +0100
    @@ -82,6 +82,7 @@
                         idlequeue=self.idlequeue,
                         estabilish_tls=establish_tls,
                         certs=('../data/other/cacerts.pem', 'tmp/cacerts.pem'),
    +                    cipher_list=None,
                         proxy_dict=proxy_dict)
     
                 self.socket.PlugIn(self)
    @@ -215,6 +216,7 @@
                     idlequeue=self.idlequeue_thread.iq,
                     estabilish_tls=False,
                     certs=None,
    +                cipher_list=None,
                     on_http_request_possible=lambda: None,
                     on_persistent_fallback=None,
                     http_dict=http_dict,