add index to `User#resetter` so that it has the same time complexity as `User#_id`
add index to `User#resetter` so that it has the same time complexity as `User#_id`

Storj/bridge,bookchin/storj-bridge,braydonf/storj-bridge,Storj/metadisk-api,bookchin/storj-bridge,Storj/bridge,braydonf/storj-bridge,Storj/metadisk-api