- updated component manifests to reduce CPU and Memory requests and limits

- 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

- tweaked resources and containers to accelerate tests

Deactivated some Device monitoring functionality partially implemented to enable a functional commit into develop.

- Adapt component and unitary tests to support configuration environment variables

- Final version of Context service ready for integration tests
- Integrated REST API read-only methods
- Updated test units for gRPC and REST API interfaces
- Improved flag for pre-populating database with fake testing data
- Combined Redis within Context POD

Context service:
- corrected port numbers

Device service:
- corrected port numbers
- upgraded gitlab-ci configuration

This reverts merge request !3