Updated the docstrings for GHOP access methods.
The checkRoleAndStatusForTask and checkStatusForTask methods' docstrings
tell more on what they specifically do and why they both exist separately.
"""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