Polish sample package names

spring-boot-samples/spring-boot-sample-jetty8/src/main/java/sample/jetty8/SampleJetty8Application.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package sample.jetty;
+package sample.jetty8;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;

spring-boot-samples/spring-boot-sample-jetty8/src/main/java/sample/jetty8/service/HelloWorldService.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package sample.jetty.service;
+package sample.jetty8.service;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;

spring-boot-samples/spring-boot-sample-jetty8/src/main/java/sample/jetty8/web/SampleController.java

@@ -14,14 +14,14 @@
  * limitations under the License.
  */
 
-package sample.jetty.web;
+package sample.jetty8.web;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
-import sample.jetty.service.HelloWorldService;
+import sample.jetty8.service.HelloWorldService;
 
 @Controller
 public class SampleController {

spring-boot-samples/spring-boot-sample-jetty8/src/test/java/sample/jetty8/SampleJetty8ApplicationTests.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package sample.jetty;
+package sample.jetty8;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -28,6 +28,7 @@ import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
 
+import sample.jetty8.SampleJetty8Application;
 import static org.junit.Assert.assertEquals;
 
 /**