Description of configuration options for zookeeper

Configuration option = Default value	Description
[zookeeper]
address = None	(StrOpt) The ZooKeeper addresses for servicegroup service in the format of host1:port,host2:port,host3:port
recv_timeout = 4000	(IntOpt) The 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