Add Django 3.1a1 and Python 3.8 to the matrix
Add Django 3.1a1 and Python 3.8 to the matrix

matthiask/feincms2-content,matthiask/django-content-editor,matthiask/feincms2-content,matthiask/django-content-editor,matthiask/feincms2-content,matthiask/django-content-editor,matthiask/django-content-editor