We should also return the scheme defined by the url.

slapos/libnetworkcache.py

@@ -48,6 +48,7 @@ class NetworkcacheClient(object):
 
     return_dict['path'] = parsed_url.path
     return_dict['host'] = parsed_url.hostname
+    return_dict['scheme'] = parsed_url.scheme
     return_dict['port'] = parsed_url.port or \
                            socket.getservbyname(parsed_url.scheme)