Undid a FK to o2o change we don't want to do (we have instances where the FK is None).

 - Legacy-Id: 12402

Author: levkowetz

ietf/liaisons/models.py

@@ -212,7 +212,7 @@ def __unicode__(self):
 
 
 class LiaisonStatementGroupContacts(models.Model):
-    group = models.OneToOneField(Group)
+    group = models.ForeignKey(Group, unique=True, null=True)
     contacts = models.CharField(max_length=255,blank=True)
     cc_contacts = models.CharField(max_length=255,blank=True)