Remove the need to have multiples EntityHandlers (1st Phase)

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
Move persistence classes to the persistence project

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
updates on Poms

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>