Merge pull request #528 from akatsoulas/update-readme

Small updates in README

README.rst

@@ -5,14 +5,11 @@ mozilla-django-oidc
 .. image:: https://badge.fury.io/py/mozilla-django-oidc.svg
    :target: https://badge.fury.io/py/mozilla-django-oidc
 
-.. image:: https://travis-ci.org/mozilla/mozilla-django-oidc.svg?branch=master
-   :target: https://travis-ci.org/mozilla/mozilla-django-oidc
-
-.. image:: https://codecov.io/gh/mozilla/mozilla-django-oidc/branch/master/graph/badge.svg
+.. image:: https://codecov.io/gh/mozilla/mozilla-django-oidc/branch/main/graph/badge.svg
    :target: https://codecov.io/gh/mozilla/mozilla-django-oidc
 
-.. image:: https://circleci.com/gh/mozilla/mozilla-django-oidc/tree/master.svg?style=svg
-   :target: https://circleci.com/gh/mozilla/mozilla-django-oidc/tree/master
+.. image:: https://circleci.com/gh/mozilla/mozilla-django-oidc/tree/main.svg?style=svg
+   :target: https://circleci.com/gh/mozilla/mozilla-django-oidc/tree/main
 
 A lightweight authentication and access management library for integration with OpenID Connect enabled authentication services.
 
@@ -58,7 +55,7 @@ Django of your choice. Here is such an example:
 
 .. code-block:: shell
 
-    $ virtualenv -p /path/to/bin/python3.7 venv
+    $ virtualenv -p /path/to/bin/python3.8 venv
     $ source venv
     (venv) $ pip install -r requirements/requirements_dev.txt
     (venv) $ DJANGO_SETTINGS_MODULE=tests.settings django-admin test