Reverse context and device from monitoring-service merge

src/device/service/DeviceService.py

src/device/service/DeviceServiceServicerImpl.py

src/device/service/MonitoringLoops.py

src/device/service/__main__.py

src/device/service/database/ConfigModel.py

src/device/service/database/ContextModel.py

src/device/service/database/DatabaseTools.py

src/device/service/database/DeviceModel.py

src/device/service/database/EndPointModel.py

src/device/service/database/KpiModel.py

src/device/service/database/KpiSampleType.py

src/device/service/database/Tools.py

src/device/service/database/TopologyModel.py

src/device/service/database/__init__.py

src/device/service/driver_api/AnyTreeTools.py

src/device/service/driver_api/DriverFactory.py

src/device/service/driver_api/DriverInstanceCache.py

src/device/service/driver_api/Exceptions.py

src/device/service/driver_api/FilterFields.py

src/device/service/driver_api/Tools.py