Merged changes into master

src/main/java/com/example/demo/DemoApplication.java

@@ -9,6 +9,7 @@ public class DemoApplication {
 	public static void main(String[] args) {
 		System.out.println("Start application");
 		System.out.println("Trzecia wiadomosc");
+		System.out.println("Drugi komunikat");
 		SpringApplication.run(DemoApplication.class, args);
 	}
 }