Add new methods to TestDataManager
Add postgresql to pom.xml
Extract new method of DatabaseDataManager: deviceSetFromDb()
Add DataManager method getDeviceById()
Extend Device model with more attributes
Experimental DeviceDriver facility implementation and usage
Fix error "enum types may not be instantiated"
handleDeviceMethod(): Handle case of device not found
Log exception message
HttpApiServlet: Fix exception raised on requests without query string
Partially implement Gps103DeviceDriver.setReportInterval()