add user_user support to atlas collections

atlas/models.py

@@ -542,6 +542,16 @@ class BaseReportAnswer(models.Model):
     def get_answer_score(self):
         return self.score
 
+    def set_cid_or_user(self, cid=None, user=None):
+        if cid is not None:
+            self.cid = cid
+        elif user is not None:
+            self.user = user
+        else:
+            raise ValueError("No cid or user specified")
+
+
+
     class Meta:
         abstract = True