Merge pull request #1280 from spotify/dxia/zk-connection-state

Also set cluster ID when ZK connection state transitions to CONNECTED

helios-services/src/main/java/com/spotify/helios/servicescommon/coordination/DefaultZooKeeperClient.java

@@ -96,7 +96,7 @@ public void process(WatchedEvent event) {
       @Override
       public void stateChanged(CuratorFramework client, ConnectionState newState) {
         log.info("DefaultZooKeeperClient connection state change - {}", newState);
-        if (newState == ConnectionState.RECONNECTED) {
+        if (newState.isConnected()) {
           checkClusterIdExists(clusterId, "connectionStateListener");
         }
       }