Use oslo.sphinx and remove local copy of doc theme

Use the new oslo.sphinx version of the OpenStack doc
theme instead of copying it into this repo.

blueprint oslo.sphinx

Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Change-Id: I0bd91f7bb43f97b99051fed65b75fc05d5149cc8

doc/source/conf.py

@@ -33,7 +33,9 @@ extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.coverage',
               'sphinx.ext.pngmath',
               'sphinx.ext.ifconfig',
-              'sphinx.ext.graphviz']
+              'sphinx.ext.graphviz',
+              'oslo.sphinx',
+              ]
 
 todo_include_todos = True
 
@@ -164,8 +166,8 @@ man_pages = [
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-html_theme_path = ["."]
-html_theme = '_theme'
+# html_theme_path = ["."]
+# html_theme = '_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the

test-requirements.txt

@@ -15,5 +15,6 @@ pylint==0.25.2
 python-subunit
 setuptools_git>=0.4
 sphinx>=1.1.2
+oslo.sphinx
 testrepository>=0.0.13
 testtools>=0.9.27