* This change brings the role name in line with the upstream (unapproved) spec:
https://review.openstack.org/#/c/245629/5/specs/common-default-policy.rst
* Renamed mod_or_owner decorator to mod_or_admin
* Debian package version bumped to 0.1.1a4
Change-Id: I312c2a6baec22959f83ab1e09370de868076730b