Backup Version 2.0
(#761) Add new file format (SST_V2) and methods to get/parse remote locations.
(#761) Upload files from SnapshotMetaService in backup version 2.0, if enabled.
(#761) Process older SNAPSHOT_V2 at the restart of Priam.
(#767) Backup Verification for Backup 2.0.
(#767) Restore for Backup 2.0
(#767) Some API changes for Snapshot Verification
(#767) Remove deprecated code like flush hour or snapshot hour.