- enabled DEBUG logging for device and service

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

- updated log level to INFO

- updated old gitlab.com URLs by new labs.etsi.org URLs.
- updated Context to use secrets generated by CockroachDB and NATS

- activated debug for testing purposes
- reduced number of replicas to 1

- updated replicas of service and pathcomp to 5
- temporarily disabled WebUI Grafana

- updated manifests for context, device, service, slice to expose metrics endpoint

- Reduced log level of device, service and slice components to INFO

- Reduced log verbosity of Device, DLT and Service components

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

- tweaked resources and containers to accelerate tests

- updated OFC'22 test scripts with source of env variables
- activated DEBUG logs in Device and Service components
- added Slice as dependency of Compute
- removed creation of services in Compute, all goes through Slice
- Added missing default constraints in PathComp Frontend
- added logic in Slice to identify if its L2 or L3

First functional version of Service with Service Handler for L3NM-Emulated services using Emulated Devices

Common:
- reorganized Database API to enable extension of Context API with entities (e.g. Service)
- solved minor bugs in Database API

Context and Device services:
- rearranged services and unit tests according to mentioned Context API changes

Service service:
- initial release (under development, this is just a backup of code)

Context service:
- corrected port numbers

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

Preliminary unfinished version of device service and Context API based on Redis. To be finished, it is just a backup.

This reverts merge request !3