* * Document TestIdentity entropy and enforce that it actually works
* Ledger/transaction DSL default notary with fresh key
* MockServices default identity with fresh key
* makeTestIdentityService now takes vararg
* Require cordappPackages for MockServices
* DSL automatic serialization init
* Improve error when two MockNetworks used
* * Make cordappPackages required by MockNetwork
* Default identity service in MockServices
* Make notarySpecs Java-friendly
* 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.
