Use PostgreSQL instead of SqlLite

	modified:   config.py
Refactor to allow a more modular hierarchy

	new file:   app/control/decorators.py
	new file:   app/control/emails.py
	new file:   app/control/translate.py
	new file:   app/model/user.py
	new file:   app/view/views.py
Refactor to allow a more modular hierarchy

	modified:   app/__init__.py
	new file:   app/control/__init__.py
	deleted:    app/decorators.py
	deleted:    app/emails.py
	new file:   app/forms/__init__.py
	renamed:    app/forms.py -> app/forms/demo_forms.py
	new file:   app/model/__init__.py
	new file:   app/model/post.py
	deleted:    app/models.py
	modified:   app/templates/user.html
	deleted:    app/translate.py
	new file:   app/view/__init__.py
	new file:   app/view/overview.py
	deleted:    app/views.py