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: If6fb08ed3e47c6981b9dd6092d57adf7fa914066

doc/requirements.txt

@@ -3,5 +3,5 @@
 # process, which may cause wedges in the gate later.
 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,!=2.1.0,>=1.6.2;python_version>='3.4' # BSD
-openstackdocstheme>=1.18.1 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0

doc/source/conf.py

@@ -45,7 +45,6 @@ copyright = u'2013, OpenStack Foundation'
 repository_name = 'openstack/kuryr-kubernetes'
 bug_project = 'kuryr-kubernetes'
 bug_tag = ''
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True

lower-constraints.txt

@@ -55,7 +55,7 @@ munch==2.2.0
 netaddr==0.7.19
 netifaces==0.10.6
 neutron-lib==1.13.0
-openstackdocstheme==1.18.1
+openstackdocstheme==1.20.0
 openstacksdk==0.13.0
 os-client-config==1.29.0
 os-service-types==1.2.0

releasenotes/source/conf.py

@@ -49,7 +49,6 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Kuryr-Kubernetes'
 copyright = u'2017, Kuryr-Kubernetes Developers'
 author = u'Kuryr-Kubernetes Developers'
 
@@ -105,24 +104,6 @@ htmlhelp_basename = 'Kuryr-Kubernetesdoc'
 
 # -- Options for LaTeX output ---------------------------------------------
 
-latex_elements = {
-    # The paper size ('letterpaper' or 'a4paper').
-    #
-    # 'papersize': 'letterpaper',
-
-    # The font size ('10pt', '11pt' or '12pt').
-    #
-    # 'pointsize': '10pt',
-
-    # Additional stuff for the LaTeX preamble.
-    #
-    # 'preamble': '',
-
-    # Latex figure (float) alignment
-    #
-    # 'figure_align': 'htbp',
-}
-
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).