Add org ReferenceProperty to Administrator model (many:1 relationship associating Administrators with specific Organization). Update Organization model __doc__ string with information about the back-reference 'admins'. Patch by: Pawel Solyga Review by: to-be-reviewed

"""Multi-consumer multi-producer dispatching mechanism
"""
__version__ = "1.0.0"
__author__ = "Patrick K. O'Brien"
__license__ = "BSD-style, see license.txt for details"