OPEN - issue BATCH-773: Refactor and extend ExportedJobLauncher to JobOperator

Fill in a few methods in JobOperator (WIP)

spring-batch-integration/src/test/java/org/springframework/batch/integration/JobSupport.java

@@ -3,6 +3,7 @@ package org.springframework.batch.integration;
 import org.springframework.batch.core.Job;
 import org.springframework.batch.core.JobExecution;
 import org.springframework.batch.core.JobExecutionException;
+import org.springframework.batch.core.JobParametersIncrementer;
 
 public class JobSupport implements Job {
 	
@@ -24,5 +25,10 @@ public class JobSupport implements Job {
 		// TODO Auto-generated method stub
 		return false;
 	}
+	
+	public JobParametersIncrementer getJobParametersIncrementer() {
+		// TODO Auto-generated method stub
+		return null;
+	}
 
 }