Added button to the GradingRecords overview to send mail when updating projects.
Note that this will mail all the projects for which a record is available.
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)