Added task to send out email for each processed GradingRecord.
If send_mail evaluates to True in the POST data for updateProjectsForSurveyGroup task then the results of every GradingRecord will be mailed to the Student. The Mentor and Org Admins will be cc'ed.
"""
39. Empty model tests
These test that things behave sensibly for the rare corner-case of a model with
no fields.
"""
from django.db import models
class Empty(models.Model):
pass
__test__ = {'API_TESTS':"""
>>> m = Empty()
>>> m.id
>>> m.save()
>>> m2 = Empty()
>>> m2.save()
>>> len(Empty.objects.all())
2
>>> m.id is not None
True
>>> existing = Empty(m.id)
>>> existing.save()
"""}