ignore port in bosh URL, it's entered separetly. Take into account proxy username when using bosh

src/common/xmpp/transports_nb.py

@@ -57,6 +57,7 @@ def get_proxy_data_from_dict(proxy):
 	if proxy_type == 'bosh' and not proxy['bosh_useproxy']:
 		# with BOSH not over proxy we have to parse the hostname from BOSH URI 
 		tcp_host, tcp_port = urisplit(proxy['bosh_uri'])[1], proxy['bosh_port'] 
+		tcp_host = tcp_host.split(':')[0]
 	else: 
 		# with proxy!=bosh or with bosh over HTTP proxy we're connecting to proxy 
 		# machine