Adding integration test for the basic JPA management branch (in order to be sure about a right behavior).
Improving DbSetupRule in order to indicate just the name of the table creation script if packages of integration test match with the location of the SQL file.
Fixing a problem into basic JPA branch around the access of the EntityManager.
Adding to basic JPA branch performBeforePersist and performBeforeUpdate capabilities.
Activating integration tests about delayed notification mechanism and founding some problems.
Deleting obsolete JPA parameter class tools.