Migrated info to create superuser from master-old.

README.rst

@@ -115,6 +115,13 @@ Open pv/local_settings.py again and add the line::
     USE_TZ = False
 
 
+Adding an admin user
+--------------------
+
+In order to create an admin user (which you will need to login to the webinterface after the next step) run::
+
+    (python)$ python manage.py createsuperuser
+
 
 Running a web server
 --------------------