add ipython directives to conf.py

Author: wholmgren

docs/sphinx/source/conf.py

@@ -50,7 +50,9 @@ def __getattr__(cls, name):
     'sphinx.ext.viewcode',
     'sphinx.ext.extlinks',
     'numpydoc',
-    'sphinx.ext.autosummary'
+    'sphinx.ext.autosummary',
+    'IPython.sphinxext.ipython_directive',
+    'IPython.sphinxext.ipython_console_highlighting',
 ]
 
 # Add any paths that contain templates here, relative to this directory.