Moved the last remnant of soc.views.user.profile to soc.views.models
Sadly, it is non-trivial to port this code to be generic enough to
work with soc.views.models.base.edit. On the other hand, this will
make customizing the editSelf code a lot easier.
from django.dispatch import Signal
request_started = Signal()
request_finished = Signal()
got_request_exception = Signal(providing_args=["request"])