fixed critical errors related to survey subclassing and renaming of deadline and opening properties, and surveys in sidebar are now marked as such and have a red color if untaken
from django.core.management.base import AppCommand, CommandError
class Command(AppCommand):
help = "RENAMED: see 'sqlcustom'"
def handle(self, *apps, **options):
raise CommandError("This command has been renamed. Use the 'sqlcustom' command instead.")