Bug #912858: test_authors_up_to_date does not deal with capitalized names properly
Bug #912858: test_authors_up_to_date does not deal with capitalized names properly

ensure we are not fooled by capitalized names, by turning emails and names into lower cases before the matching.

Change-Id: Idbb8535174c0f1451ad6fd0628f35508f0f1e466

citrix-openstack-build/oslo.versionedobjects,openstack/oslo.versionedobjects