Bump openstackdocstheme to 1.20.0

Change-Id: Ia4cf0044c23665e715ff45a4fc6d0e6e472b6c4e

doc/requirements.txt

@@ -1,4 +1,4 @@
-openstackdocstheme>=1.18.1  # Apache-2.0
+openstackdocstheme>=1.20.0  # Apache-2.0
 reno>=2.5.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0
 sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD

doc/source/conf.py

@@ -80,14 +80,12 @@ master_doc = 'index'
 exclude_trees = []
 
 # General information about the project.
-project = u'Cinder Library'
 copyright = u"2017, Cinder Developers"
 
 # openstackdocstheme options
 repository_name = 'openstack/cinderlib'
 bug_project = 'cinderlib'
 bug_tag = ''
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

lower-constraints.txt

@@ -2,7 +2,7 @@ cinder==13.0.0
 flake8==2.5.5
 hacking==0.12.0
 mock==2.0.0
-openstackdocstheme==1.18.1
+openstackdocstheme==1.20.0
 os-brick==2.7.0
 pyflakes==0.8.1
 pbr==2.0.0