Release final python-zaqarclient for Xena

This proposed a release for python-zaqarclient to get any final merged
changes out prior to the lib freeze for Xena going into effect.

If the team is ready to proceed, please leave a +1 to acknowledge this
release and we will process right away. If the team is working on any
final merges, leave a -1 with some detail on the status and update the
patch with the new commit hash to use when ready.

Patches with no response will be merged by Thursday, September 17.

$ git log --oneline --no-merges 2.1.0..e388947

Signed-off-by: Hervé Beraud <hberaud@redhat.com>
Change-Id: Ib5e8513ffb1a3ba427f0c1126b8953be467bd519

deliverables/xena/python-zaqarclient.yaml

@@ -6,3 +6,11 @@ team: zaqar
 type: client-library
 repository-settings:
   openstack/python-zaqarclient: {}
+releases:
+  - version: 2.2.0
+    projects:
+      - repo: openstack/python-zaqarclient
+        hash: e388947aae2c1440ffc8c635d9dc2f702dc2cb27
+branches:
+  - name: stable/xena
+    location: 2.2.0