Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

Fix for WebUI tests

See merge request teraflow-h2020/controller!130

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment

Adapted various components to common proto folder and corrected various errors

See merge request teraflow-h2020/controller!129

- Moved imports from *.proto folder to common.proto folder
- Removed DLT Connector's genproto.sh script

- Moved imports from *.proto folder to common.proto folder
- Removed webui's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline
- Corrected usage of ConfigRules to use new custom ConfigRules
- Moved config variables to new config framework
- Removed unneeded Config variables

- Moved imports from *.proto folder to common.proto folder
- Removed pathcomp's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

- Updated Dockerfile

- Moved config variables to new config framework
- Removed unneeded Config variables

- Corrected usage of ConfigRules to use new custom ConfigRules

- Corrected usage of ConfigRules to use new custom ConfigRules

- Moved imports from *.proto folder to common.proto folder
- Removed interdomain's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

- Moved imports from *.proto folder to common.proto folder
- Removed slice's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

- Moved imports from *.proto folder to common.proto folder
- Removed compute's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

Adapted Service to common proto folder

See merge request teraflow-h2020/controller!128

- Added missing requirement in Service
- Removed unneeded requirements.txt in Context

- Moved imports from *.proto folder to common.proto folder
- Removed service's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline
- Corrected usage of ConfigRules to use new custom ConfigRules
- Removed redundant/unused Tools file in service_handlers

Adapted Device(complete) & Monitoring(partial) to common proto folder

See merge request teraflow-h2020/controller!127

- arranged import of per-component proto to common proto

Common:
- Corrected Python package versions to prevent collisions with p4runtime

Context:
- Minor corrections in GitLab CI/CD pipeline

Device:
- Corrected Python package versions to prevent collisions with p4runtime

Monitoring:
- Arranged requirements to accelerate Docker image creation
- Corrected Python package versions to prevent collisions with p4runtime
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline

Device:
- Removed obsoleted run_tests_locally-device.sh script
- Moved imports from *.proto folder to common.proto folder
- Removed device's genproto.sh script
- Minor code and linting fixing
- Arranged requirements to accelerate Docker image creation
- Updated Dockerfile
- Arranged GitLab CI/CD pipeline
- Corrected usage of ConfigRules to use new custom ConfigRules

Monitoring:
- Moved imports from *.proto folder to common.proto folder
- Removed monitoring's genproto.sh script

Adapted Context component to common proto folder

See merge request teraflow-h2020/controller!126

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into fix/context-proto-common

- regenerated python code from proto files

- backup of note for future edition of developer guide

Merge branch 'develop' of https://gitlab.com/teraflow-h2020/controller into feat/microk8s-deployment