- Added logic to ignore mgmt-related links
- Improved composition of subservice config rules
- Cleaned up Constants
- Updated sub-service computation logic

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

- assumed all services issued to backend are in admin context
- implemented logic to retrieve plain non-layered connection when layeted connection cannot be processed
- improved error reporting in EroPathToHops
- implemented logic to synthesize a dummy path for single-device service requests
- improved identification of interdomain pathcomp requests

- Added timestamp to logs
- Improved algorithm execution logs
- Added basic support for multi-layer path computation
- Improved KDisjointPath Algorithm with basic multi-layer support
- Minor improvements in backend request composition
- Removed unneeded code for unitary tests
- Added OLS-flavoured unitary test scenario