Removed getSurveyResponseFromPost from Surveys helper.
We will use the power of Django Forms instead of getting our own properties. This fits better into the rest of Melange which also uses this approach.
from django.core.management.base import NoArgsCommand
class Command(NoArgsCommand):
help = "Validates all installed models."
requires_model_validation = False
def handle_noargs(self, **options):
self.validate(display_num_errors=True)