Modified ZooKeeper directories to be configurable.
Modified ZooKeeper directories to be configurable.

Change-Id: Ia8318abe79d9f6b5cfac9ad82fd869629b1824c4

opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open,opennetworkinglab/spring-open