Changing names of address and customer
changing names of catalog and purchased_item
import useraccounts and user
authentication folder removed
Name conevtion change 'Catalog'
removing authentication from installed apps
Changes in useraccounts files admin.py and models.py
Merge branch 'temporary' of https://github.com/Jaskaran28193/LibreHatti into Jaskaran28193-temporary

Conflicts:
	src/authentication/views.py
	src/librehatti/catalog/admin.py
	src/librehatti/catalog/forms.py
Merge branch 'Jaskaran28193-temporary'