* Split JPA Outbound Gateway into "updating-outbound-gateway" and "retrieving-outbound-gateway"
* INT-2573 Need a mechanism to have the max-number-of-results attribute for JPA outbound gateway and inbound adapters
* Cleanup
* Add more comments
* Add unit tests
For reference see: https://jira.springsource.org/browse/INT-2573
INT-2582 - Fixed comment + fixed spelling in assertion
INT-2582 - Throw MessagingException instead of MessageHandlingException
INT-2582 - Code review changes
* Changed bean naming strategy for jpaExecutor to `Id of JPA Component + ".jpaExecutor"`
* added tests
* changed `delete-per-row` XML attribute to `delete-in-batch`
* changed `deletePerRow` property in JpaExecutor to `deleteInBatch`
* delete-in-batch defaults to "false" to follow the default in Spring Data JPA
* fixed junit test
94e5e45fd9