Update version of remaining weblinks to Django documentation.

We are using Django 1.10 as per requirements.txt and should refer to its
documentation as well.

src/paperless/wsgi.py

@@ -4,7 +4,7 @@ WSGI config for paperless project.
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.9/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
 """
 
 import os