Design 2.1
Changes from Design 2.0
- FIX typos & fonts
- FIX wrong type name (MongodMismatchStatus) in master activity diagram
- ADD elaborate on unique identifiers
- UPD elaborate on Bus usage & repeated messages on bus
- UPD expand abbreviations (GUI, ORM, ...) on first appearance in text
- UPD elaborate on purpose of slave.controller.BusyTable