Merge "Keystone middleware doesn't like if token is unicode. It must …

…be converted to string before validation." into R3.0

src/config/api-server/vnc_cfg_api_server.py

@@ -1734,7 +1734,7 @@ def obj_perms_http_get(self):
             raise cfgm_common.exceptions.HttpError(
                 400, 'Object uuid needed for validation')
         obj_uuid = get_request().query.uuid
-        user_token = get_request().query.token
+        user_token = get_request().query.token.encode("ascii")
 
         result = {'permissions' : ''}