synctool 5.3 发布，集群管理工具

synctool 是一个集群管理工具，使集群中所有节点的配置文件保持同步。节点有可能是一个逻辑组或类的一部分，此时他们需要一个配置文件的特定子集。 synctool可以按照需要时重新启动守护进程，前提是如果相关的配置文件已被更改，它也可以用于补丁管理或其他系统管理任务。

发布日志: This release fixed a number of small issues and notably two larger ones: the PATH environment variable is now searched for the configured commands. This helps on multi-platform setups. The --erased-saved option now is an action by itself. Using --erased-saved will no longer trigger other updates to occur inadvertently