Add new superuser mixin for dev time

apps/user/fixtures/superuser.json

@@ -1,18 +1,32 @@
 [
     {
-        "model": "auth.user",
+        "model": "user.user",
         "pk": 1,
         "fields": {
-            "password": "pbkdf2_sha256$100000$NgQxbNX0XxNX$08G0OS9JUz0kStyfzGjhasmvj7ilUWkrm/wKMaN5H3o=",
-            "last_login": null,
+            "password": "pbkdf2_sha256$100000$HoGxjmAQy4yo$3u+CrUiFtooddpg16OEUaSSjqUlwgFUBP1gt75hEoJs=",
+            "last_login": "2018-01-28T08:41:44.702Z",
             "is_superuser": true,
-            "username": "admin",
+            "username": "admin@lil.city",
             "first_name": "",
             "last_name": "",
-            "email": "admin@lil.com",
             "is_staff": true,
             "is_active": true,
-            "date_joined": "2018-01-26T09:08:15.035Z",
+            "date_joined": "2018-01-28T08:41:19.690Z",
+            "email": "admin@lil.city",
+            "role": 0,
+            "gender": "",
+            "country": "",
+            "city": "",
+            "about": "",
+            "instagram": "",
+            "facebook": "",
+            "twitter": "",
+            "pinterest": "",
+            "youtube": "",
+            "vkontakte": "",
+            "fb_id": null,
+            "fb_data": {},
+            "is_email_proved": false,
             "groups": [],
             "user_permissions": []
         }