Reverting back to deferred closing, but inline with
StaxEventItemWriter.close() to avoid a chicken and egg problem with
resource close order.
Merge branch 'master' of git@github.com:ianbrandt/spring-batch-oxm-test.git

Conflicts:
	src/main/java/com/ianbrandt/spring/batch/test/SpringOxmWorkaroundStaxEventItemWriter.java
	src/main/java/org/springframework/batch/item/xml/stax/DeferredCloseEventWriterWrapper.java