Fixed typos in repo default setup and logging.

Signed-off-by: Kai Zimmermann <kai.zimmermann@bosch-si.com>

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/BaseAmqpService.java

@@ -109,7 +109,7 @@ public class BaseAmqpService {
     }
 
     protected final void logAndThrowMessageError(final Message message, final String error) {
-        LOGGER.warn("Error \"{}\" reported by message: {}", error, message);
+        LOGGER.warn("Warning! \"{}\" reported by message: {}", error, message);
         throw new IllegalArgumentException(error);
     }