Description of configuration options for zookeeper

Configuration option=Default value	Description
address=None	(StrOpt) The ZooKeeper addresses for servicegroup service in the format of host1:port,host2:port,host3:port
recv_timeout=4000	(IntOpt) recv_timeout parameter for the zk session
sg_prefix=/servicegroups	(StrOpt) The prefix used in ZooKeeper to store ephemeral nodes
sg_retry_interval=5	(IntOpt) Number of seconds to wait until retrying to join the session