Reorder paragraphs in README.rst

Release 1.4

Adjust tox for GitHub actions

Support Django 4.1 and Python 3.11

Release 1.3

Support Django 4.0

Run tests with all warnings -Wall

Delete .travis.yml as it is no longer needed

Release 1.2

Try GitHub actions

Add more Django and Python versions

Don't show CHANGELOG.rst in PyPI web page

Release 1.1

Don't test on Python 3.2 and 3.3

Support Django 3.0 and Python 3.8