* Extend unit test on RPCSecurityManager
* Fix corner cases in permission parsing and bug in tryAuthenticate
* Rework docsite page
* Add missing ChangeLog entry
* Add support for external data source of access control data (RPC/Shell users credential and permissions), with optional in-memory caching.
* Support password encoded with Apache Shiro fully reversible Modular Crypt Format.
* Introduce 'security' field in Node configuration and related docsite page.