Merge "Set up 3.x release notes"

Author: Jenkins

releasenotes/source/20_releases.rst

@@ -0,0 +1,6 @@
+========================
+2.0 Series Release Notes
+========================
+
+.. release-notes::
+   :version: 2.6.0,2.5.0,2.4.0,2.2.0,2.1.0,2.0.0

releasenotes/source/index.rst

@@ -6,5 +6,28 @@ OpenStackClient Release Notes
    :maxdepth: 1
 
    unreleased
-   mitaka
+   20_releases
    pre_20_releases
+
+OpenStack Releases
+------------------
+
+OpenStackClient is compatible with all currently supported OpenStack releases,
+it does not require maintaining a 'Mitaka' version to match to a Mitala-release
+cloud.  The OpenStackClient release that was current when the corresponding
+OpenStack release was made is shown below:
+
+=================  =======================
+OpenStack Release  OpenStackClient Release
+=================  =======================
+Mitaka             2.3.0
+Liberty            1.7.3
+Kilo               1.0.6
+Juno               0.4.1
+Icehouse           0.3.1
+=================  =======================
+
+Further details for historical OpenStack releases are found at the
+`OpenStack Releases`_ page.
+
+.. _`OpenStack Releases`: http://releases.openstack.org/

releasenotes/source/mitaka.rst

@@ -3,3 +3,4 @@ Current Release Notes
 =====================
 
 .. release-notes::
+   :earliest-version: 3.0