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

- fixed show_logs_monitoring script
- Context Queries: added get_service, get_slice, get_topology methods
- Context Queries: corrected bug with get inter topology
- Moved old Build/Load Descriptor scripts to common
- Fixed retrieval of objects loaded from descriptors
- Deactivated close of clients in descriptor loader
- Moved MockOSM library to common tests/tools folder

Compute component:
- updated to use new context query methods
- updated to use new MockOSM location

OFC'22 tests:
- updated MockOSM paths
- updated fixtures
- added loggers
- corrected WIM service definitions
- improved verification of KPIs created and values returned
- optimized removal of entities
- optimized service discovery in delete test
- added on-line logging to tests

Consolidating commong fixtures in a single file at the root of the tests folder. Updating ECOC'22 and OFC'22 tests to use it.

Fixing some imports and branching a fixture file for each test case so that they can have particularities.

Including the validation of creation of KPIs and their values to the OFC'22 test set. Also consolidating the fixtures into a single file in the root of the 'src/tests' folder so that all tests can import from it.

- Renamed OldBigNet scenario to BigNet
- Updated JSON descriptor builder scripts
- Generated descriptor files for scenario
- Updated definition of functional tests