Changes to support putting SCDF back onto snapshot

* Only configure the BatchListener if the Job.class has a bean instance
* Add the task-batch to the task-dependencies pom.

spring-cloud-task-batch/src/main/java/org/springframework/cloud/task/batch/configuration/TaskBatchAutoConfiguration.java

@@ -16,14 +16,14 @@
 package org.springframework.cloud.task.batch.configuration;
 
 import java.util.Collection;
+
 import javax.sql.DataSource;
 
 import org.springframework.batch.core.Job;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.cloud.task.batch.listener.TaskBatchExecutionListener;
-import org.springframework.cloud.task.configuration.EnableTask;
 import org.springframework.cloud.task.repository.TaskExplorer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -35,7 +35,7 @@ import org.springframework.util.CollectionUtils;
  * @author Michael Minella
  */
 @Configuration
-@ConditionalOnClass({Job.class, EnableTask.class})
+@ConditionalOnBean({Job.class})
 public class TaskBatchAutoConfiguration {
 
 	@Bean

spring-cloud-task-dependencies/pom.xml

@@ -22,6 +22,11 @@
 				<artifactId>spring-cloud-task-core</artifactId>
 				<version>1.0.0.BUILD-SNAPSHOT</version>
 			</dependency>
+			<dependency>
+				<groupId>org.springframework.cloud</groupId>
+				<artifactId>spring-cloud-task-batch</artifactId>
+				<version>1.0.0.BUILD-SNAPSHOT</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>