Use pep8 v1.3.3
Use pep8 v1.3.3

Fixed indents which violate pep8 1.3.3
Also added .mailmap file to coalesce commits

Change-Id: Ia7a788a28e6c0fd9cb52fb7ea477cddd7d589e58

rodrigods/oslo.policy,citrix-openstack-build/oslo.policy,openstack/oslo.policy