Fix PEP8 coding style violations in Sphinx config

Fix minor PEP8 violations in docs/source/conf.py.

As part of http://24pullrequests.com

Author: habi

docs/source/conf.py

@@ -3,8 +3,6 @@
 # Freeseer documentation build configuration file, created by
 # sphinx-quickstart on Sun Sep  4 18:21:52 2011.
 #
-# This file is execfile()d with the current directory set to its containing dir.
-#
 # Note that not all possible configuration values are present in this
 # autogenerated file.
 #
@@ -18,19 +16,19 @@
 # add these directories to sys.path here.
 sys.path.append('../src')  # Temporarily add freeseer/src to $PATH.
 
-# -- General configuration -----------------------------------------------------
+# -- General configuration ----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
 #needs_sphinx = '1.0'
 
-# Add any Sphinx extension module names here, as strings. They can be extensions
-# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.viewcode',
-              'sphinx.ext.todo']
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
+extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest',
+              'sphinx.ext.viewcode', 'sphinx.ext.todo']
 
 # If True, the todo and todolist directives will produce output.
 # http://sphinx.pocoo.org/ext/todo.html#module-sphinx.ext.todo
-todo_include_todos=True
+todo_include_todos = True
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -71,7 +69,7 @@
 # directories to ignore when looking for source files.
 exclude_patterns = ['contribute/packaging.rst']
 
-# The reST default role (used for this markup: `text`) to use for all documents.
+# The reST default role (for text `like this`) to use for all documents.
 #default_role = None
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
@@ -92,7 +90,7 @@
 #modindex_common_prefix = []
 
 
-# -- Options for HTML output ---------------------------------------------------
+# -- Options for HTML output --------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
@@ -172,20 +170,22 @@
 htmlhelp_basename = 'Freeseerdoc'
 
 
-# -- Options for LaTeX output --------------------------------------------------
+# -- Options for LaTeX output -------------------------------------------------
 
 # The paper size ('letter' or 'a4').
 #latex_paper_size = 'letter'
 
 # The font size ('10pt', '11pt' or '12pt').
 #latex_font_size = '10pt'
 
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title, author, documentclass [howto/manual]).
-latex_documents = [
-  ('index', 'Freeseer.tex', u'Freeseer Documentation',
-   u'Free and Open Source Software Learning Centre', 'manual'),
-]
+# Grouping the document tree into LaTeX files. Takes a list of tuples.
+latex_documents = [(
+    'index',  # source start file
+    'Freeseer.tex',  # target name
+    u'Freeseer Documentation',  # title
+    u'Free and Open Source Software Learning Centre',  # author
+    'manual'  # documentclass [howto/manual]
+)]
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
@@ -211,7 +211,7 @@
 #latex_domain_indices = True
 
 
-# -- Options for manual page output --------------------------------------------
+# -- Options for manual page output -------------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).