update Sphinx conf

docs/conf.py

 # -*- coding: utf-8 -*-
 #
 # Cython documentation build configuration file, created by
-# sphinx-quickstart on Sun Dec 16 18:23:12 2012.
+# sphinx-quickstart on Sun Jun 29 13:36:38 2014.
 #
 # This file is execfile()d with the current directory set to its containing dir.
 #
@@ -125,7 +125,10 @@ pygments_style = 'sphinx'
 todo_include_todos = True
 
 # intersphinx for standard :keyword:s (def, for, etc.)
-intersphinx_mapping = {'python': ('http://docs.python.org/3.3', None)}
+intersphinx_mapping = {'python': ('http://docs.python.org/3/', None)}
+
+# If true, keep warnings as "system message" paragraphs in the built documents.
+#keep_warnings = False
 
 
 # -- Options for HTML output ---------------------------------------------------
@@ -285,6 +288,9 @@ texinfo_documents = [
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
 #texinfo_show_urls = 'footnote'
 
+# If true, do not generate a @detailmenu in the "Top" node's menu.
+#texinfo_no_detailmenu = False
+
 
 # -- Options for Epub output ---------------------------------------------------
 
@@ -311,6 +317,9 @@ epub_copyright = copyright
 # A tuple containing the cover image and cover page html template filenames.
 #epub_cover = ()
 
+# A sequence of (type, uri, title) tuples for the guide element of content.opf.
+#epub_guide = ()
+
 # HTML files that should be inserted before the pages created by sphinx.
 # The format is a list of tuples containing the path and title.
 #epub_pre_files = []
@@ -328,6 +337,19 @@ epub_copyright = copyright
 # Allow duplicate toc entries.
 #epub_tocdup = True
 
+# Fix unsupported image types using the PIL.
+#epub_fix_images = False
+
+# Scale large images.
+#epub_max_image_width = 0
+
+# If 'no', URL addresses will not be shown.
+#epub_show_urls = 'inline'
+
+# If false, no index is generated.
+#epub_use_index = True
+
+
 # -- Options for PDF output --------------------------------------------------
 
 # Grouping the document tree into PDF files. List of tuples