Update user_data.py
Update user_data.py

Fixing issue reported by Zhen:

Mar 06 23:52:15 deploy cloud-init: DEBUG: You just installed Django's auth system, which means you don't have an
y superusers defined.
Mar 06 23:52:16 deploy cloud-init: DEBUG: Would you like to create one now? (yes/no):
Mar 06 23:52:16 deploy cloud-init: ERROR: python manage.py syncdb finished with return code 1
andresriancho/nimbostratus-target