Make account active for import

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/tests/data/users-django.json

@@ -6,7 +6,7 @@
         "username": "weblate",
         "first_name": "First",
         "last_name": "Last",
-        "is_active": false, 
+        "is_active": true, 
         "is_superuser": false, 
         "is_staff": false, 
         "last_login": "2013-10-09T17:28:56.639",