Attempt to rename User.id to User.account, in preparation for making User be
derived from Linkable, which will have a property named 'id'.
Patch by: Todd Larsen
"""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