Bump the openstackdocstheme extension to 1.20

Some options are now automatically configured by the version 1.20:
- project
- html_last_updated_fmt
- latex_engine
- latex_elements
- version
- release.

Change-Id: I2281904c98f574dc5f42f31a12ebf5d1a4bdb48c

doc/source/conf.py

@@ -25,7 +25,6 @@ extensions = [
 master_doc = 'index'
 
 # General information about the project.
-project = u'os-brick'
 copyright = u'2015, OpenStack Foundation'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
@@ -44,10 +43,6 @@ pygments_style = 'sphinx'
 # Sphinx are currently 'default' and 'sphinxdoc'.
 html_theme = 'openstackdocs'
 
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # -- Options for openstackdocstheme -------------------------------------------
 
 repository_name = 'openstack/os-brick'

lower-constraints.txt

@@ -35,7 +35,7 @@ mox3==0.20.0
 msgpack-python==0.4.0
 netaddr==0.7.18
 netifaces==0.10.4
-openstackdocstheme==1.18.1
+openstackdocstheme==1.20.0
 os-client-config==1.28.0
 os-testr==1.0.0
 os-win==3.0.0

releasenotes/source/conf.py

@@ -34,7 +34,6 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'OS-Brick Release Notes'
 copyright = u'2015, Cinder Developers'
 
 # Release notes are unversioned, so we don't need to set version and release
@@ -47,10 +46,6 @@ release = ''
 # a list of builtin themes.
 html_theme = 'openstackdocs'
 
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # -- Options for openstackdocstheme -------------------------------------------
 
 repository_name = 'openstack/os-brick'

test-requirements.txt

@@ -8,7 +8,7 @@ ddt>=1.0.1 # MIT
 reno>=2.5.0 # Apache-2.0
 sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4'  # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT