如何使用15.02中新增的Websocket?

https://github.com/processone/ejabberd/search?utf8=%E2%9C%93&q=websocket

新增的SM(Session Manager)数据库后端有什么用处?

https://github.com/processone/ejabberd/commit/72d9b099c6a8c73c691cb45ba9e422d69fb55db8#

如何使用新增的集群脚本?

https://github.com/processone/ejabberd/tree/master/tools

如何配置和使用ejabberd-modules仓库中的模块?

https://github.com/processone/ejabberd/commit/f77622067b80bd0e75400f7f5e4b1ae5f6884e8d