StudentProposal abstract is now a text property to support more then 500 bytes. Just in case someone decides to enter a lot of info. The organizations can decide whether it fits their idea of an abstract. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

from django.dispatch import Signal

request_started = Signal()
request_finished = Signal()
got_request_exception = Signal(providing_args=["request"])