Bump openstackdocstheme to 1.20.0

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

Change-Id: I38d3f05ce9d6a32a0c4e5d44df13e527aa629b2e

doc/source/conf.py

@@ -26,20 +26,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Ironic Python Agent'
 copyright = u'OpenStack Foundation'
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-from ironic_python_agent import version as ipa_version
-# The full version, including alpha/beta/rc tags.
-release = ipa_version.version_info.release_string()
-# The short X.Y version.
-version = ipa_version.version_info.version_string()
-
 # A list of ignored prefixes for module index sorting.
 modindex_common_prefix = ['ironic_python_agent']
 
@@ -70,11 +58,8 @@ repository_name = 'openstack/ironic-python-agent'
 bug_project = 'ironic-python-agent'
 bug_tag = ''
 
-# Must set this variable to include year, month, day, hours, and minutes.
-html_last_updated_fmt = '%Y-%m-%d %H:%M'
-
 # Output file base name for HTML help builder.
-htmlhelp_basename = '%sdoc' % project
+htmlhelp_basename = 'Ironic Python Agentdoc' 
 
 
 # Grouping the document tree into LaTeX files. List of tuples
@@ -83,8 +68,8 @@ htmlhelp_basename = '%sdoc' % project
 latex_documents = [
     (
         'index',
-        '%s.tex' % project,
-        u'%s Documentation' % project,
+        'Ironic Python Agent.tex',
+        u'Ironic Python Agent Documentation',
         u'OpenStack Foundation',
         'manual'
     ),

lower-constraints.txt

@@ -40,7 +40,7 @@ mox3==0.25.0
 msgpack==0.5.6
 netaddr==0.7.18
 netifaces==0.10.4
-openstackdocstheme==1.18.1
+openstackdocstheme==1.20.0
 os-client-config==1.29.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0

test-requirements.txt

@@ -16,5 +16,5 @@ doc8>=0.6.0 # 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
 sphinxcontrib-pecanwsme>=0.8.0 # Apache-2.0
-openstackdocstheme>=1.18.1 # Apache-2.0
+openstackdocstheme>=1.20.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0