Merge pull request #1 from garciawarneckee/master

creating attibutes for LanguageDAO
Merge pull request #2 from garciawarneckee/master

Configurando modulo user-persist LanguagesDAO
creation of unit test for ManagersDAO
creation of save, delete, update and all methods
after run maven update
Merge pull request #3 from garciawarneckee/master

Creacion clase UsersDAO y supresion de warnings en LanguagesDAO
Clean de Warnings