要检查项目插件状态，我跑了：
mvn dependency:resolve-plugins
输出
...
[INFO] Plugin Dependency Resolved: commons-lang-2.5.jar
[INFO] Plugin Dependency Resolved: commons-io-1.4.jar
[INFO] Plugin Resolved: maven-resources-plugin-2.4.3.jar
...
消息行之间有什么区别。理想情况下，我希望Plugin Dependency Resolved那么另一条消息意味着什么？