Add Application Name to TaskLaunchRequest for launched task

resolves #238

spring-cloud-task-samples/taskprocessor/src/main/java/io/spring/TaskProcessor.java

@@ -58,7 +58,9 @@ public class TaskProcessor {
 		}
 		properties.put("payload", message);
 
-		TaskLaunchRequest request = new TaskLaunchRequest(processorProperties.getUri(), null, properties, null);
+		TaskLaunchRequest request = new TaskLaunchRequest(
+				processorProperties.getUri(), null, properties, null,
+				processorProperties.getApplicationName());
 
 		return new GenericMessage<TaskLaunchRequest>(request);
 	}

spring-cloud-task-samples/taskprocessor/src/main/java/io/spring/TaskProcessorProperties.java

@@ -38,6 +38,8 @@ public class TaskProcessorProperties {
 
 	private String dataSourcePassword;
 
+	private String applicationName;
+
 
 
 	public String getDataSourceUrl() {
@@ -79,4 +81,12 @@ public class TaskProcessorProperties {
 	public void setUri(String uri) {
 		this.uri = uri;
 	}
+
+	public String getApplicationName() {
+		return applicationName;
+	}
+
+	public void setApplicationName(String applicationName) {
+		this.applicationName = applicationName;
+	}
 }

spring-cloud-task-samples/taskprocessor/src/test/java/io/spring/TaskProcessorApplicationTests.java

@@ -58,8 +58,10 @@ public class TaskProcessorApplicationTests {
 			channels.input().send(new GenericMessage<Object>(DEFAULT_PAYLOAD));
 			Map<String, String> properties = new HashMap();
 			properties.put("payload", DEFAULT_PAYLOAD);
-			TaskLaunchRequest expectedRequest = new TaskLaunchRequest("maven://org.springframework.cloud.task.app:"
-					+ "timestamp-task:jar:1.0.1.RELEASE", null, properties, null);
+			TaskLaunchRequest expectedRequest = new TaskLaunchRequest(
+					"maven://org.springframework.cloud.task.app:"
+					+ "timestamp-task:jar:1.0.1.RELEASE", null, properties,
+					null, null);
 			assertThat(collector.forChannel(channels.output()), receivesPayloadThat(is(expectedRequest)));
 		}