Replace meta Bucket with meta.DB instance in local storage implementation.
Adopt all dependent components to new local storage.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
If bearer token is presented in the request then check
if it is a valid one and then use it to process extended
ACL checks.
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
