- Added/Updated headers
- Added script to update copyright headers

- updated manifest file with gateway container port
- corrected behaviour of GetFromDlt method in MockDltGateway
- minor formatting in MockDltGateway
- implemented first version of DltConnector's Event Dispatcher (to be tested)
- moved own-domain-uuid finder to separate class in DltConnector
- implemented method to identify empty/not-found records

- Improved error logging

MockBlockchain:
- Implemented mock-blockchain module to facilitate testing and debugging of DLT connector & workflows
- Added manifests, Dockerfile, etc.

DLT Connector:
- corrected requirements.in
- updated Dockerfile
- WIP: implementation of test_unitary.py

DLT Gateway:
- Improved/extended Dockerfile
- Moved Dockerfile to correct folder
- Corrected import path for proto files

- Implemented MockServicerImpl_DltGateway
- Updated Objects for unitary tests