@Bean
		public ZooKeeperConnection zooKeeperConnection() {
			return setupZookeeperPropertySource(zkClientConnect, false);
		}
Beans defined and imported here are shared by the XD Admin Server and Container Server.
@author David Turanski
@author Mark Fisher
@author Ilayaperumal Gopinathan
@author Gary Russell
@author Patrick Peralta
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/server/SharedServerContextConfiguration.java