Start splitting Achilles. WIP
WIP. Abstract the EntityManager
WIP. Make meta data independent from Hector API
WIP
Refactoring generics
Refactoring of generics WIP
Refactoring of generics DONE
Migrate to JPA 2.0
Fixing compilation errors for tests
Fixing Unit tests
Add unit tests for Achilles abstract classes
Fix some unit tests to remove dependencies from Hector for core classes
Rework on em.getReference() to avoid hitting the database