Link between address and reference, and api endpoint to find household

by address reference

* add a one-to-many link between address and address reference;
* update AddAddress.vue to add information on picked address reference;
* add an HouseholdACLAwareRepository, with a method to find household by
current address reference
* add an endpoint to retrieve household by address reference
* + tests

src/Bundle/ChillPersonBundle/Security/Authorization/HouseholdVoter.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Chill\PersonBundle\Security\Authorization;
+
+class HouseholdVoter
+{
+    const SHOW = PersonVoter::SEE;
+}