[1.5.x] Fixed #20248 - Clarified manage.py vs. django-admin.py
[1.5.x] Fixed #20248 - Clarified manage.py vs. django-admin.py

Backport of 8fc68af9c0 from master

bliti/django-nonrel-1.5,ccn-2m/django,hasadna/django,alx-eu/django,hasadna/django,bliti/django-nonrel-1.5,alx-eu/django,ccn-2m/django,ccn-2m/django,imtapps/django-imt-fork,alx-eu/django,ccn-2m/django,imtapps/django-imt-fork,imtapps/django-imt-fork,alx-eu/django,hasadna/django,bliti/django-nonrel-1.5