for #1215, use zk with curator with proxy
for #1215, use zk with curator with proxy

apache/incubator-shardingsphere,leeyazhou/sharding-jdbc,apache/incubator-shardingsphere,apache/incubator-shardingsphere,leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,leeyazhou/sharding-jdbc,apache/incubator-shardingsphere