Updated readthedocs links to ".io" and https.

README.rst

@@ -103,15 +103,15 @@ Our test results can be found here:
     https://travis-ci.org/django/djangoproject.com
 
 For local development don't hesitate to install
-`tox <http://tox.readthedocs.org/>`_ to run the website's test suite.
+`tox <https://tox.readthedocs.io/>`_ to run the website's test suite.
 
 Then in the root directory (next to the ``manage.py`` file) run::
 
     tox
 
 Behind the scenes this will run the usual ``./manage.py test`` management
 command with a preset list of apps that we want to test as well as
-`flake8 <http://flake8.readthedocs.org/>`_ for code quality checks. We
+`flake8 <https://flake8.readthedocs.io/>`_ for code quality checks. We
 collect test coverage data as part of that tox run, to show the result
 simply run::
 

djangoproject/templates/docs/doc.html

@@ -190,11 +190,11 @@ <h2>{% trans "Download:" %}</h2>
     {% if version == "dev" %}{% trans "Offline (development version):" %}
     {% else %}{% blocktrans %}Offline (Django {{ version }}):{% endblocktrans %}{% endif %}
     <a href="{{ MEDIA_URL }}docs/django-docs-{{ version }}-{{ lang }}.zip">HTML</a> |
-    <a href="http://media.readthedocs.org/pdf/django/{{ rtd_version }}/django.pdf">PDF</a> |
-    <a href="http://media.readthedocs.org/epub/django/{{ rtd_version }}/django.epub">ePub</a>
+    <a href="https://media.readthedocs.org/pdf/django/{{ rtd_version }}/django.pdf">PDF</a> |
+    <a href="https://media.readthedocs.org/epub/django/{{ rtd_version }}/django.epub">ePub</a>
     <br>
     <span class="quiet">
-      {% blocktrans %}Provided by <a href="http://readthedocs.org/">Read the Docs</a>.{% endblocktrans %}
+      {% blocktrans %}Provided by <a href="https://readthedocs.org/">Read the Docs</a>.{% endblocktrans %}
     </span>
   </p>
   {% endblock links-wrapper %}