Sphinx: Use the nature theme

docs/conf.py

@@ -85,7 +85,7 @@ pygments_style = 'trac'
 # The style sheet to use for HTML and HTML Help pages. A file of that name
 # must exist either in Sphinx' static/ path, or in one of the custom paths
 # given in html_static_path.
-html_style = 'agogo.css'
+#html_style = 'agogo.css'
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
@@ -178,5 +178,5 @@ latex_documents = [
 # If false, no module index is generated.
 #latex_use_modindex = True
 
-html_theme = "agogo"
+html_theme = "nature"
 html_theme_path = ["_theme"]