Separated the publish and approve button on the Task list page for Org members. Also ensured that only tasks from the right org with the right status can be changed. And that we do not make unneccesary loops over values in the POST dict by grouping all the keys in the POST data under "task_id". The list entries also no longer redirect a user when clicking on the checkbox. Patch by: Madhusudan.C.S and 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