EPD-190: Deleted SensorSettings as ExternalSensorsCommonSettings is to take its place.
EPD-190: Removed listener interfaces from AisHandlerCommon. AisHandlerCommon explicitly queries for values of settings and as such there is no need to listen for changes.
EPD-190: Updated AisHandler (EPD Ship) to use new settings classes.
EPD-190: Updated AisHandler (EPD Shore) to use new settings classes.