patch-to-add-regression-tests-for-schema (patch 1 of 1)

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

 src/test/regress/expected/namespace.out |  140 +++++++++++++++++++++++++++++++
 src/test/regress/sql/namespace.sql      |  135 ++++++++++++++++++++++++++++++
 2 files changed, 275 insertions(+), 0 deletions(-)

For original context, see http://www.postgresql.org/message-id/CAEP4nAywYC_1bJeMphN=u-4vsWe9MPsCm9bKo6tDH9SJU+f=VQ@mail.gmail.com
Adding travis.yml