Merge branch 'feat/80-cttc-implement-basic-nbi-connector-ietf-l3-vpn-service-delivery' into 'develop'

Resolve "(CTTC) Implement basic NBI connector IETF L3-VPN Service Delivery"

Closes #80

See merge request !185

- Added installation of libyang to install_requirements script

- Fixed parsing of requests

- Added initial implementation and unitary tests
- Added scripts to test manually
- Integrated with CI/CD pipeline
- Added requirements
- Added README file describing how to build and install libyang from source
- Updated Dockerfile

Merge branch 'feat/100-cttc-improve-nbi-unitary-tests-framework-and-integration-with-gitlab-ci-cd-pipeline' into 'develop'

Resolve "(CTTC) Improve NBI unitary tests framework and integration with GitLab CI/CD pipeline"

Closes #100

See merge request !186

- Unit test cosmetic cleanup

- Fixing GitLab CI/CD pipeline
- Updated scripts to manually launch NBI tests

- Fixing GitLab CI/CD pipeline
- Updated scripts to manually launch NBI tests

- Fixing GitLab CI/CD pipeline
- Updated script to manually launch IETF L2VPN test

- Fixing GitLab CI/CD pipeline

- Corrected unitary test for IETF L2VPNs
- Added required descriptors

- Extended PrepareTestScenario to support multiple REST methods
- Updated unitary tests accordingly
- Renamed test_unitary to test_ietf_l2vpn
- Cosmetic changes in CI/CD pipeline
- Fixed Python dependency versions in requirements file

- Correct retrieval of context_uuid in methods RemoveSlice and RemoveService

Resolve "(CTTC) Implement NBI connector IETF Network Topology"

Closes #79

See merge request !173

- Added README.md with disclaimer

- Corrected inclusion of clients for Descriptor Loader
- Corrected test data files

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/79-cttc-implement-nbi-connector-ietf-network-topology

Resolve "(CTTC) Add new device type "CLIENT" and "EMULATED-CLIENT""

Closes #99

See merge request !184

- Add CLIENT and EMULATED_CLIENT device types

- Add topology icons for CLIENT and EMULATED_CLIENT device types

- Remove incorrect topology icons

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/79-cttc-implement-nbi-connector-ietf-network-topology

Merge branch 'feat/98-cttc-extend-nbi-s-debug-api-plugin-to-expose-a-descriptor-like-download-endpoint' into 'develop'

Resolve "(CTTC) Extend NBI's Debug-API plugin to expose a descriptor-like download endpoint"

Closes #98

See merge request !183

- Correct debug-api endpoint URLs
- Add dummy_contexts endpoint

- Expose endpoint to download dummy_mode descriptors

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/79-cttc-implement-nbi-connector-ietf-network-topology

Merge branch 'feat/97-cttc-context-component-s-link-attribute-used_capacity_gbps-is-wrongly-managed' into 'develop'

Resolve "(CTTC) Context component's Link attribute `used_capacity_gbps` is wrongly managed"

Closes #97

See merge request !182

- Fix management of field used_capacity_gbps in Link entity
- Fix related unitary test

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/79-cttc-implement-nbi-connector-ietf-network-topology

Resolve "(CTTC) Multiple Bug Fixes affecting `common` code"

Closes #96

See merge request !181

- `common` > `tests` > `InMemoryObjectDatabase.py`: enhance log error reporting
- `common` > `tools` > `descriptor` > `Tools.py`: correct formatting of non-string resource_values in custom config rules in method `format_custom_config_rules()`
- `common` > `tools` > `service` > `GenericRestServer.py`: correct format of reported listen URL

- Added example flags in run_tests_locally script
- Added data model bindings
- Fixed Composer methods
- Updated ManualFixes.py
- Updated unitary test
- Renamed TODO.txt to test_commands.txt

- Added merge of device_ids and link_ids in Topology

- Extended node composer with tunnel termination points
- Updated TODO.txt

- Updated unitary test launcher scripts

- Updated unitary test launcher scripts

Merge branch 'develop' of https://labs.etsi.org/rep/tfs/controller into feat/79-cttc-implement-nbi-connector-ietf-network-topology