Fix pygments style

New theme of docs (Victoria+) respects pygments_style.
Since we starts using Victoria reqs while being on Ussuri,
this patch ensures proper rendering both in Ussuri and Victoria.

Change-Id: I430184f65f1528dfa15b3e6a7810d062226e70e7

doc/api-quick-start/source/conf.py

@@ -95,7 +95,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

doc/common/source/conf.py

@@ -98,7 +98,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

doc/doc-contrib-guide/source/conf.py

@@ -104,7 +104,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

doc/glossary/source/conf.py

@@ -103,7 +103,7 @@ exclude_patterns = ['common/app-support.rst', 'common/cli*', 'common/nova*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

doc/image-guide/source/conf.py

@@ -97,7 +97,7 @@ exclude_patterns = ['common/get-start*', 'common/cli*', 'common/dashboard*',
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

doc/install-guide/source/conf.py

@@ -101,7 +101,7 @@ exclude_patterns = [
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []

releasenotes/source/conf.py

@@ -96,7 +96,7 @@ exclude_patterns = []
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = 'native'
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []