Merge branch 'automation/implement-ztpDelete-rpc' into 'develop'

...c/main/java/eu/teraflow/automation/AutomationService.java

...in/java/eu/teraflow/automation/AutomationServiceImpl.java

...c/main/java/eu/teraflow/automation/ContextSubscriber.java

...tion/src/main/java/eu/teraflow/automation/Serializer.java

...main/java/eu/teraflow/automation/context/model/Empty.java

...ain/java/eu/teraflow/automation/device/DeviceGateway.java

...java/eu/teraflow/automation/device/DeviceGatewayImpl.java

...ain/java/eu/teraflow/automation/device/DeviceService.java

...java/eu/teraflow/automation/device/DeviceServiceImpl.java

.../teraflow/automation/AutomationFunctionalServiceTest.java

...st/java/eu/teraflow/automation/ContextSubscriberTest.java

.../src/test/java/eu/teraflow/automation/SerializerTest.java

.../target/generated-sources/grpc/monitoring/Monitoring.java

.../generated-sources/grpc/monitoring/MonitoringService.java

...erated-sources/grpc/monitoring/MonitoringServiceBean.java

...ated-sources/grpc/monitoring/MonitoringServiceClient.java

...erated-sources/grpc/monitoring/MonitoringServiceGrpc.java

...-sources/grpc/monitoring/MutinyMonitoringServiceGrpc.java

src/automation/target/kubernetes/kubernetes.yml