INTSAMPLES-62 - Create JPA Samples

* Sample supports Hibernate, EclipsLink and OpenJPA
* Sample uses Spring 3.1 (Profiles)
* Retrieves a list of records
* Creates a new DB record

INTSAMPLES-62 Code Review Fixes
* Use Log4j
* Fix dependencies

INTSAMPLES-62 - Make JPA Sample compliant with INT-2601

* Fix whitespace issues
* Make sure all schemas are version-less

basic/pom.xml

@@ -21,6 +21,7 @@
         <module>jdbc</module>
         <module>jms</module>
         <module>jmx</module>
+        <module>jpa</module>
         <module>mail</module>
         <module>oddeven</module>
         <module>quote</module>