Added getSurveyForContent method to SurveyLogic.
This method returns a Survey for a given content. The backreferenceproperty will not work because of inheritance.
"""
This is a urlconf to be loaded by tests.py. Add any urls needed
for tests only.
"""
from django.conf.urls.defaults import *
from django.contrib.formtools.tests import *
urlpatterns = patterns('',
(r'^test1/', TestFormPreview(TestForm)),
)