* recommendation of _two scoops of django_ call apps by plural name
* in the .gitignore we want to exclude *~ (emacs backups)
	renamed:    address/__init__.py -> addresses/__init__.py
	renamed:    address/models.py -> addresses/models.py
	renamed:    address/models.py~ -> addresses/models.py~
	renamed:    address/tests.py -> addresses/tests.py
	renamed:    address/views.py -> addresses/views.py
	modified:   .gitignore
	deleted:    addresses/models.py~