Added a favicon for the docs 
diff --git a/docs/_static/flask-favicon.ico b/docs/_static/flask-favicon.ico
new file mode 100644
index 0000000000..bf0a961573
Binary files /dev/null and b/docs/_static/flask-favicon.ico differ
diff --git a/docs/conf.py b/docs/conf.py
index c971a57dee..feed359fb5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -125,7 +125,7 @@
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+html_favicon = "flask-favicon.ico"
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,

Added a favicon for the docs as requested in issue https://github.com/mitsuhiko/flask/issues/934
