KRACOEUS-7308: JPA work for budget

Oh affect is ok. Work is my concern. And classes can be mapped in both OJB and JPA. The thing I'm concerned with is when we start adding bi-directional BO references what happens to the award OJB mappings. How do we maintain those during the transition and what do the services that are shared between Award and PD Budget expect? And budget like deepCopies which can sometimes be affected by bi-directional relationships....