MODE-1683 Implemented journaling functionality backed by MapDB.
MODE-1683 Updated clustering and implemented delta-reconciliation mechanism for journals.
MODE-1683 Updated the EAP kit to include support for journaling.
MODE-1683 Added a locally stored journalId which is also present on the changeSet instances and which is used as an identifier in the clustered cases instead of the processId, which has a different value each time.