Merge branch '38-get-room-id-devices-does-not-return-device-specific-data' into 'dev'

Resolve "Get /room/{id}/devices does not return device specific data"

Closes #38

See merge request sa4-2020/the-sanmarinoes/backend!49

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/RoomController.java

@@ -79,7 +79,7 @@ public class RoomController {
      * id).
      */
     @GetMapping(path = "/{roomId}/devices")
-    public @ResponseBody List<? extends Device> getDevices(@PathVariable("roomId") long roomid) {
+    public List<Device> getDevices(@PathVariable("roomId") long roomid) {
         return deviceRepository.findByRoomId(roomid);
     }
 }