IN PROGRESS - issue BATCH-453: Killed batches cannot be restarted

http://jira.springframework.org/browse/BATCH-453

Added a new sample job: DatabaseShutdownFunctionalTests that uses the database to detect a stopped job.

spring-batch-samples/src/test/resources/org/springframework/batch/sample/DatabaseShutdownFunctionalTests-context.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
+
+	<import resource="classpath:/simple-job-launcher-context.xml" />
+	<import resource="classpath:/jobs/infiniteLoopJob.xml" />
+
+</beans>