metabase has become a central concept and it's more suitable for it to
be directly nested under satellite rather than being part of metainfo.
metainfo is going to be the "endpoint" logic for handling requests.
Change-Id: I53770d6761ac1e9a1283b5aa68f471b21e784198
We recently added create_at column to segments table.
Old segments needs to get this value from objects table.
This tool will iterate over all objects and update corresponding
segments if create_at column is not set.
Change-Id: Ib5aedc384637e739ee9af84454af0639e2559416