Permission rethinking

* No detailed permissions due to django constraints on model-based permissions
* instead: logic controlled permission by group membership
* adds translations

konova/management/commands/setup.py

@@ -83,18 +83,10 @@ class Command(BaseCommand):
         self._write_warning("--- Groups ---")
         for group_data in GROUPS_DATA:
             name = group_data.get("name")
-            perms_data = group_data.get("permissions")
-            perms_objects = [
-                Permission.objects.get_or_create(
-                    codename=perm[0],
-                    name=perm[1]
-                )
-                for perm in perms_data
-            ]
-            group = Group.objects.get_or_create(
+            Group.objects.get_or_create(
                 name=name,
             )
-            group.permissions.set(perms_objects)
+            self._write_success(CREATED_TEMPLATE.format(name))
 
         self._break_line()