JENKINS_HOME
+- config.xml (jenkins主配置文件)
+- *.xml (其它配置文件,比如SVN,Maven,JDK,ANT...)
+- userContent (files in this directory will be served under your http://server/jenkins/userContent/)
+- fingerprints (存储指纹记录)
+- plugins (插件目录)
+- jobs
+- [JOBNAME] (每个Job的子目录)
+- config.xml (job配置文件)
+- workspace (版本控制工作目录)
+- latest (最后一次成功构建连接)
+- builds
+- [BUILD_ID] (每次构建ID目录)
+- build.xml (构建结果摘要)
+- log (日志文件)
+- changelog.xml (更新日志)