- improved object factory tools for links

- added helper methods to object_factory

- defined unified constants for all micro-services
- defined common settings getter methods
- defined generic gRPC servicer
- defined generic Rest servicer
- defined common MockServicer for Monitoring component
- removed old common/tests MockService class; to be replaced by new generic gRPC servicer
- minor code formatting/styling

- code styling and cleanup

new development of microwave device - implemented the Api to get configurations, create and delete services