* [CORDA-446] Clean up other mentions of network map node and logic
* Rename AbstractNetworkMapService to NetworkMapService and remove the empty NetworkMapService
* fix build
* fix artemismessaging tests
* pr comments
Fixup after rebase
Restore original key property names
Fixup after rebase
Undo extra import that IntelliJ keeps erroneously adding.
Add comments and fix docs for transaction signing.
Fixes after rebase
More fixes after rebase
Address PR requests
Address PR requests