[IMP] tell Sphinx to ignore README.rst rather than mark it as orphan

Provides better rendering on github

conf.py

@@ -72,7 +72,7 @@ today_fmt = '%B %d, %Y'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ['_build', 'README.*']
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.