Agregue dialogo (mal, xq usa textos hardcodeados)

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@25 0117bdac-9510-e2bd-253c-24df4fda417d
Movi strings a R

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@26 0117bdac-9510-e2bd-253c-24df4fda417d
Agregue onCancel()

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@27 0117bdac-9510-e2bd-253c-24df4fda417d
Actualice README

git-svn-id: https://tdam-2013-g5.googlecode.com/svn/trunk@28 0117bdac-9510-e2bd-253c-24df4fda417d