Polish sample package names

spring-boot-samples/spring-boot-sample-actuator/src/main/java/sample/actuator/SampleActuatorApplication.java

@@ -24,13 +24,13 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 @SpringBootApplication
 public class SampleActuatorApplication implements HealthIndicator {
 
-	public static void main(String[] args) throws Exception {
-		SpringApplication.run(SampleActuatorApplication.class, args);
-	}
-
 	@Override
 	public Health health() {
 		return Health.up().withDetail("hello", "world").build();
 	}
 
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleActuatorApplication.class, args);
+	}
+
 }

spring-boot-samples/spring-boot-sample-actuator/src/main/java/sample/actuator/SampleController.java

@@ -72,6 +72,7 @@ public class SampleController {
 		public void setValue(String value) {
 			this.value = value;
 		}
+
 	}
 
 }