Surveys can now have required questions and comments can be turned on/off.
Storing comments is now working. However some issues arise when form errors occur, like missing context and the errors also trigger before a form has been submitted.
Reviewed by: Lennard de Rijk
"""Multi-consumer multi-producer dispatching mechanism
Originally based on pydispatch (BSD) http://pypi.python.org/pypi/PyDispatcher/2.0.1
See license.txt for original license.
Heavily modified for Django's purposes.
"""
from django.dispatch.dispatcher import Signal