Use reno for release notes

The OpenStack Release team has created a great release notes management
tool that integrates with Sphinx. Start using it. For reference on how
to use it, see http://docs.openstack.org/developer/reno/

Change-Id: I57692d720174fedb68ab2f52d5a4c496a6d993b2

doc/source/conf.py

@@ -3,7 +3,11 @@ import sys
 
 sys.path.insert(0, os.path.abspath('../..'))
 
-extensions = ['sphinx.ext.autodoc', 'oslosphinx']
+extensions = [
+    'sphinx.ext.autodoc',
+    'oslosphinx',
+    'reno.sphinxext'
+]
 
 # The suffix of source filenames.
 source_suffix = '.rst'

doc/source/index.rst

@@ -16,6 +16,7 @@ Contents:
    contributing
    coding
    future
+   releasenotes
 
 .. include:: ../../README.rst
 

doc/source/installation.rst

@@ -9,4 +9,4 @@ At the command line::
 Or, if you have virtualenv wrapper installed::
 
     $ mkvirtualenv shade
-    $ pip install shade
+    $ pip install shade

doc/source/releasenotes.rst

@@ -0,0 +1,5 @@
+=============
+Release Notes
+=============
+
+.. release-notes::

releasenotes/notes/started-using-reno-242e2b0cd27f9480.yaml

@@ -0,0 +1,3 @@
+---
+other:
+- Started using reno for release notes.

test-requirements.txt

@@ -11,3 +11,4 @@ testrepository>=0.0.17
 testscenarios>=0.4,<0.5
 testtools>=0.9.32
 warlock>=1.0.1,<2
+reno