Common:
- Added missing test units for ORM framework
- Solved few bugs in ORM framework
- Implemented initial skeleton of MessageBroker to implement GetEvents methods for Context.

Context:
- Implemented TopologyModel and related test units
- Solved few bugs in ContextModel

Proto:
- Minor corrections in context.proto

Common:
- Minor corrections in common.orm.backend
- Improved definition of orm.Model class with get_instances and get_references
- Extended ORM unitary tests with get_instances and get_references

Context:
- Implemented missing methods in ContextClient
- Started to implement new Context data models using ORM.
- ContextModel functional using ORM and gRPC.
- Arranged old code file placing

- Added servicer RPC methods using new metrics framework.

- Added methods to automate metric class generation
- Added decorator for servicer RPC methods to add metering and logging features automatically
- Added unit tests
- Minor imptovements in context unit testing

- Extended database API with novel ORM
- Carrying out tests over ORM and InMemoryDB
- Foreign Keys need more testing

- Context Database API and ORM rework in progress

- Complete rework of Database API
- Integration of Database API into Context
- Improvement of API

This commit is not a final implementation, just an intermediate backup.

Fixing two issues with the previous commit: i) obtaining the correct service gRPC port; ii) updating the gitlab ci file to use the correct service port.

- added unit testing into automated unit testing processes

- Finished preliminary implementation of Emulated Driver
- Emulated Driver uses APScheduler to emulate subscriptions
- Implemented basic unitary testing for Device Driver API
- Still pending to integrate Driver API within Device service

- Implemented GetConfig/SetConfig/DeleteConfig
- Implemented unit tests for GetConfig/SetConfig/DeleteConfig
- Implementing simple DiscriteEventSimulator to emulate monitoring
- Remains to implement SubscribeState/UnsubscribeState/GetState
- Remains to implement unit tests for SubscribeState/UnsubscribeState/GetState

This commit is just a backup.

- Added REST API Server to Compute component
- Factorized get settings from environment variabes into common method get_setting

Fix renaming of compute.proto methods from snake-case to camel-case. Added minor naming improvements.

Update the gitlab-ci.yml_generator.py file

Added python script to automatically generate a gitlab-ci.yml file