add fax and email channels (fixes #15157)

wcs_olap/feeder.py

@@ -288,6 +288,8 @@ CREATE TABLE public.dates AS (SELECT
         [3, 'phone', u'téléphone'],
         [4, 'counter', u'guichet'],
         [5, 'backoffice', u'backoffice'],
+        [6, 'email', u'email'],
+        [7, 'fax', u'fax'],
     ]
     channel_to_id = dict((c[1], c[0]) for c in channels)
     id_to_channel = dict((c[0], c[1]) for c in channels)