Updated openstack/openstack
Project: openstack/oslo.i18n  1215edcb8da4d616e0f84ea9c2cfd7cb46d882ea

Move out of the oslo namespace package

Move the public API out of oslo.i18n to oslo_i18n. Retain the ability to
import from the old namespace package for backwards compatibility for
this release cycle.

bp/drop-namespace-packages

Change-Id: I800f121c271d8e69f6e776c4aef509bbb8008170