IN PROGRESS - issue BATCH-127: Allow job configuration to control re-entrant behavior

http://opensource.atlassian.com/projects/spring/browse/BATCH-127

SimpleJobRepository.findOrCreateJob now blocks if the transaction isolation level is high enough (see Javadocs).

spring-batch-samples/src/test/java/org/springframework/batch/sample/FootballJobFunctionalTests.java

@@ -16,7 +16,7 @@ public class FootballJobFunctionalTests extends
 	}
 
 	protected String[] getConfigLocations() {
-		return new String[] { "jobs/parallelJob.xml" };
+		return new String[] { "jobs/parallelJob.xml##" };
 	}
 
 	protected void validatePostConditions() throws Exception {