Add RSS feed

Setup yasfb to generate an RSS feed for approved specs. This is a change
that is done for all published documents on specs.openstack.org.

Update requirements with current global requirements.

Change-Id: I7a72413ab2f7621b4614d3a9b311796b5d76bd07

doc/source/conf.py

@@ -31,8 +31,13 @@ extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.todo',
               'sphinx.ext.viewcode',
               'oslosphinx',
+              'yasfb',
              ]
 
+# Feed configuration for yasfb
+feed_base_url = 'http://specs.openstack.org/openstack/api-wg'
+feed_author = 'OpenStack API Working Group'
+
 todo_include_todos = True
 
 # Add any paths that contain templates here, relative to this directory.

requirements.txt

@@ -1,5 +1,9 @@
-oslosphinx
-pbr>=0.6,<1.0
-sphinx>=1.1.2,<1.2
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+pbr>=0.6,!=0.7,<1.0
+oslosphinx>=2.2.0  # Apache-2.0
+sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 testrepository>=0.0.18
-testtools>=0.9.34
+testtools>=0.9.36,!=1.2.0
+yasfb>=0.5.1