Release 8.0.0

* Update CHANGELOG with release notes URL.
* Update README with new release number & name.
* Update metadata.json with new tag & dependencies.
* Add release note prelude for Mitaka.
* Update Reno release note to drop prelude.
* Improve release note landing page.

Change-Id: I9a479239263a1f1bb71b2d601456c2e01c23354e

CHANGELOG.md

@@ -0,0 +1,5 @@
+## 8.0.0 and beyond
+
+From 8.0.0 release and beyond, release notes are published on
+[docs.openstack.org](http://docs.openstack.org/releasenotes/puppet-mistral/).
+

metadata.json

@@ -30,6 +30,6 @@
     { "name": "puppetlabs/apache", "version_requirement": ">=1.0.0 <2.0.0" },
     { "name": "puppetlabs/inifile", "version_requirement": ">=1.0.0 <2.0.0" },
     { "name": "puppetlabs/stdlib", "version_requirement": ">= 4.0.0 <5.0.0" },
-    { "name": "openstack/openstacklib", "version_requirement": ">=7.0.0 <8.0.0" }
+    { "name": "openstack/openstacklib", "version_requirement": ">=8.0.0 <9.0.0" }
   ]
 }

releasenotes/notes/mitaka-dece9d43a565e6cb.yaml

@@ -0,0 +1,3 @@
+---
+prelude: >
+  This is the first Mitaka release for puppet-mistral module.

releasenotes/notes/use-reno-1caaec4ba5aa4285.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Release notes are no longer maintained by hand, we now use the reno tool to
+    manage them.

releasenotes/source/index.rst

@@ -1,8 +1,18 @@
-============================
-puppet-mistral Release Notes
-============================
+========================================
+Welcome to puppet-mistral Release Notes!
+========================================
+
+Contents
+========
 
 .. toctree::
-   :maxdepth: 1
+   :maxdepth: 2
 
    unreleased
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`search`