The student proposal public page can now be used to place a public comment. Developers, Hosts, and the student/org_admin/mentor that this proposal is from/directed to can leave a comment. All the comments placed will show up on the review page aswell, and vica versa. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

"""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