Added methods to GradingRecord Logic to facilitate creating/updating them.
UpdateOrCreateRecordsFor will batch put GradingRecords for a given SurveyGroup and StudentProject.
getFieldsForGradingRecord will return the fields that need to be set for a single GradingRecord entity given a StudentProject, GradingSurveyGroup and if it is an update a GradingRecord entity.
from django.conf.urls.defaults import *
urlpatterns = patterns('',
(r'^geoapp/', include('django.contrib.gis.tests.geoapp.urls')),
)