Updated openstack/openstack
Project: openstack/oslo.i18n  490466b2a211db21b97cc9fced38ee19f9e7056e

Shift public API to top level package

Rather than forcing everyone to say "from oslo.i18n import gettextutils"
allow "from oslo import i18n".

Change-Id: If87182beb8c7fa6a12f7a1524fdda4910b4e19d5