v2.2.1

IMPROVEMENTS

• add additional server-side encryption parameters to s3 config section, fix 619
• restore_remote will not return error when backup already exists in local storage during download check, fix 625

BUG FIXES

• fix error after restart API server when .state file present in backup folder, fix 623
• fix upload / download files from projections multiple times, cause backup create wrong create *.proj as separate data part, fix 622