Delete unused files

Add manifest.yaml
Add DockerFile

Solve some typo on .proto file

	Implement new osm_client.proto
	Create logic to manage request provide by NBI microservice
		Including ServiceServicer implementation

ToDo: Automatic test with HTTP Mock
	Dockerfile

Add manifest.yaml
Add DockerFile

Solve some typo on .proto file

	Implement new osm_client.proto
	Create logic to manage request provide by NBI microservice
		Including ServiceServicer implementation

ToDo: Automatic test with HTTP Mock
	Dockerfile

- Added the Analytics Frontend client and service with no logic implemented yet.
- Added enums and ports for the Analytics frontend and backend in the constants.
- Added test files and messages.
- Added test execution scripts.

- TelemetryBackendService name and port is added in constants
- get_kafka_address() call added in TelemetryBackendService
- kafk topics test added in telemetrybackend test file
- get_kafka_address() call added in TelemetryBackendServiceImpl
- kafk topics test added in telemetryfrontend test file
- improvements in Telemetry gitlab-ci file
   + unit_test for telemetry backend and frontend added.
   + many other small changes

- QoSProfile port address added to Constants.py
- database QoSProfile and sqlalchemy crud operations added
- QoSProfile support added to context's server implementation and client

Merge branch 'feat/171-e2e-orchestrator-component-has-wrong-service-name-in-constants-py' into 'release/3.0.1'

Resolve "E2E Orchestrator component has wrong service name in Constants.py"

See merge request !245

(cherry picked from commit 9ac39915)

d1c7d0eb Common Framework:

- Pre-merge cleanup

- Moved prefix "/restconf" to appropriate plugins

- Intermediate backup (not functional)