proposal-simple-date-constructor-from-numeric-values (patch 1 of 1)

'git apply --summary --stat --apply --verbose' output was:

error: No changes

For original context, see http://www.postgresql.org/message-id/CAFj8pRC7cMKrBN9k=ZUuCziWbCq6de29FTZRPP8wFMdCSOeRsg@mail.gmail.com
Adding travis.yml