OPEN - issue BATCH-927: Add JobParametersIncrementer to job namespace element

http://jira.springframework.org/browse/BATCH-927

Added support for JobParametersIncrementer to Job element.

spring-batch-core/src/test/java/org/springframework/batch/core/configuration/xml/TestIncrementer.java

@@ -0,0 +1,13 @@
+package org.springframework.batch.core.configuration.xml;
+
+import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.core.JobParametersIncrementer;
+
+public class TestIncrementer implements JobParametersIncrementer{
+
+	public JobParameters getNext(JobParameters parameters) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}