Resolved some TODOs.

spring-batch-core/src/main/java/org/springframework/batch/core/domain/JobInstance.java

@@ -37,7 +37,6 @@ public class JobInstance extends Entity {
 	
 	private Job job;
 
-	// TODO declare transient or make the class serializable
 	private BatchStatus status;
 
 	private int jobExecutionCount;

spring-batch-core/src/main/java/org/springframework/batch/core/domain/StepInstance.java

@@ -50,7 +50,6 @@ public class StepInstance extends Entity {
 
 	private JobInstance jobInstance;
 
-	// TODO declare transient or make serializable
 	private BatchStatus status;
 
 	private RestartData restartData = new GenericRestartData(new Properties());