Adds basic set XML ACL support
Adds basic set XML ACL support

Extends the swift_acl_translate method for basic XML setting

Test case now passes:
functional.test_s3.test_bucket_acl_xml_fullcontrol

Adds URIs to get_acl method, so test case now passes:
functional.test_s3.test_bucket_acl_canned

KoreaCloudObjectStorage/swift3,Zentyal/zentyal-swift-middleware,KoreaCloudObjectStorage/swift3,citrix-openstack/build-swift3,swiftstack/swift3-stackforge,citrix-openstack-build/swift3,stackforge/swift3,stackforge/swift3,swiftstack/swift3-stackforge,citrix-openstack/build-swift3,Zentyal/zentyal-swift-middleware,tumf/swift3,tumf/swift3,citrix-openstack-build/swift3