配置zkclient（开源的ZooKeeper客户端）

<properties>
    <zkclient.version>0.1</zkclient.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
            <version>${zkclient.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>