Add functional test for access control (container ACL) with Keystone
Add functional test for access control (container ACL) with Keystone

This patch adds test cases for requests to containers and objects using
various combinations of users/projects, roles in order to check container
ACL and referrer behavior.

Co-Authored-By: Keisuke Yamamoto <5b52da16ec25ab7aab6a44b29f138319f14bd8a7@jp.fujitsu.com>
Change-Id: I435655bc56e5088ba50a96a879a45c7e264e0d8d

smerritt/swift,smerritt/swift,matthewoliver/swift,tipabu/swift,clayg/swift,tipabu/swift,redbo/swift,smerritt/swift,hurricanerix/swift,tipabu/swift,tipabu/swift,hurricanerix/swift,openstack/swift,nadeemsyed/swift,psachin/swift,hurricanerix/swift,nadeemsyed/swift,swiftstack/swift,clayg/swift,swiftstack/swift,openstack/swift,redbo/swift,clayg/swift,notmyname/swift,psachin/swift,psachin/swift,nadeemsyed/swift,nadeemsyed/swift,matthewoliver/swift,matthewoliver/swift,matthewoliver/swift,notmyname/swift,psachin/swift,hurricanerix/swift,notmyname/swift,swiftstack/swift,openstack/swift,notmyname/swift,smerritt/swift,openstack/swift,clayg/swift