Updated openstack/openstack
Project: openstack-dev/devstack  a672e02818869de184c7c04aeb2f3e471bec3153

Use the apache 2.4 ErrorLogFormat directive

Use the new ErrorLogFormat directive to make the Keystone logs
under Apache to look like the standard oslo log format.

Change-Id: Ie823abf2fa06b8ce22027c21bef455808a4a768e