Added some changes and JUnit
Added some methods(PersonEntity
Complete integration to Data Base

Make refactoring of base entities and packages. Complete integration to
Data Base.
Revert "Complete integration to Data Base"

This reverts commit 6f379ba8be12e2ad824ddc9cfdb2253c79d1f4d6.
Complete integration with Data Base.
I had some issue with previous commit, so i made revert. Current commit
resolve all previous issue.
deleted some entities
added repository