Merge pull request PelicanPlatform#989 from haoming29/logging-reminder

Redirect logging location reminder to stderr

config/config.go

@@ -723,7 +723,7 @@ func InitConfig() {
 			log.Errorf("Failed to access specified log file. Error: %v", err)
 			os.Exit(1)
 		}
-		fmt.Printf("Logging.LogLocation is set to %s. All logs are redirected to the log file.\n", logLocation)
+		fmt.Fprintf(os.Stderr, "Logging.LogLocation is set to %s. All logs are redirected to the log file.\n", logLocation)
 		log.SetOutput(f)
 	}