Fix url tags
Comply with what auth backends expect

It needs to have an authenticate method, for our
purposes this is just a noop.
Fix urls
Return a response to bootstrap-ajax can handle
Fix up documentation
1.0.2
Merge remote-tracking branch 'main/master'

Conflicts:
	announcements/__init__.py
	announcements/auth_backends.py
	announcements/models.py
	announcements/views.py