Revert "Ampl ConsultarUltimoId DarAltaServlet PaisDAO. "

This reverts commit 89880f20a0bd8cfddfa6992632b513187cd78751.
Revert "Revert "Ampl ConsultarUltimoId DarAltaServlet PaisDAO. ""

This reverts commit 8e617d10403902f43b9cd8ec911eea4bd583bae7.
Revert "PaisDao-- metodos conectar y desconectar-> privados"

This reverts commit 9bd73f4e4a0db79acb83427448d10b4b7ec81f38.
Revert "Revert "PaisDao-- metodos conectar y desconectar-> privados""

This reverts commit 284c3c5536af32566a97c29339ef1c07978f2a76.
fin casoUso consultarNombre
Inicio casoUso borrarPais
fin casoUso borrarPais