[OXM, test] tests for XmlConverter:Category
FORMATTING SCHEME CHANGES - ignore this commit
[OXM, test] tests for XmlConverter:Employee
Creating JpaRepos for entities that will be used
[OXM] Mapping for Product & custom solution for loading relations with OXM

see GenericRelationAwareRepository's javadoc for details
sample entities OXM loading -- problem with Spring & JPA & caching combo

Exception in thread "main" org.hibernate.LazyInitializationException: could not initialize proxy - no Session
(problematic code commented out with "FIXME" comment)
context.xml & test-context.xml formatting fix  +  adding tx xmlns in test-context