Added grouping support to all forms, converted role as example
Any field that has the 'group' property set be placed in the
specified group. If no such proprty is set, the 'General' group will
be used instead.
Patch by: Sverre Rabbelier
"""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