* Additional database confing and implied property ${nodeOrganizationName}.
* Integration tests extend from base class which allows to configure database connection (in-memory/remote db) and to run setup/tear down SQL scripts.
network-parameters file read in by the node at startup, of which only the list of notaries is used. For now, the driver and MockNetwork have been updated to require notaries to be started first. This is so that the same set of network parameters can be defined for all the nodes.
CN in the legal name is not longer disallowed since it's no longer reserved for distributed notary names.
Single-node notaries now only have one identity, their main identity. Nodes part of a cluster continue to have two.
(Based off Kasia's work)
