Presence is now a 'abstract' View, pull in members from program
This is signified by the removal of params['name'] and other values
that are required by params.py, but also by the removal of the 'view'
definition at the bottom of the file.
Patch by: Sverre Rabbelier
from django.dispatch import Signal
request_started = Signal()
request_finished = Signal()
got_request_exception = Signal(providing_args=["request"])