Minor improvements to roles page
Mainly not hard-coding the page name and showing all requests
that are _accepted_, instead of the one's that aren't yet.
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)