Merge branch 'master' into Kerl/mails_rappel

bda/models.py

@@ -5,7 +5,6 @@ import calendar
 from django.db import models
 from django.contrib.auth.models import User
 from django.utils.translation import ugettext_lazy as _
-from django.db.models.signals import post_save
 from django.template import loader, Context
 from django.core import mail
 from django.conf import settings