Fix form errors and hidden form errors
The conversion to django left out the 'prettyfying' of form and
hidden form errors, as these could occur when running live, restore
this behavior.
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