* Added JPA AbstractParty converter (using IdentityService to resolve anonymous parties).
* Use partyFromX500Name. Add meaningful exception messages.
* AutoApply the JPA AbstractParty converter.
* Entity attribute still needs the Convert annotation.
* Fix incorrect registration of custom attribute converter.
* Deal with non-resolvable anonymous parties (eg. store as null and ignore)
* Updates following PR review feedback.
* Added documentation.
* Added entry to changelog.
* Added code documentation as per RN PR feedback request.
* Updates required following rebase from master.
* Renamed converter for clarity.
* Expose a JDBC connection (session) via the ServiceHub for generic JDBC usage.
* Updated documentation.
* Fix failing JUnit following rebase from master.
* JDBC session Tutorial WIP
* Fix broken JUnits following update to consumeCash() using observable event update as return.
* Fixed broken JUnits.
* Refactoring createSession() into new CordaPersistence class following rebase from master.
* Updated fully working example.
* Minor updates following feedback from MH.
* Fixed compiler error following rebase.
* Fixes following rebase from master.
* Further updates and clarifications to documentation.
