Updated openstack/openstack
Project: openstack/oslo.messaging  8843f9d03162820fa7ed2adf4c2b0b162b0f573b

Bump hacking to 0.9.x series

In order to keep this patch to just a requirements bump, ignore new and
stricter hacking rules that are being triggered. Fixing up the code and
turning these on is out of scope of this patch and is for future patches.

Change-Id: I5711e066da1076486d291bc4f45359ecb26e1b1a