Implement restore command.

Also, policy status now includes the name of MetadataBackupRecord
resource.

Set generation number in status of BackupLocation resource.

This allows the controller to skip reconciling if spec hasn't changed.

Added "BackupLocation" field to MetadataBackupRecord.

This is required for restore to use the right backup source.

Set backup pod's name in policy Status.

The controller uses the backup pod's name to check whether it already
processed the status.

Print JSON decoding exception, if any.

Fix a bug in copying certificates.

bump to 0.1.7

bump to 0.1.6

bump to 0.1.5

Remove kubedrutil.sh COPY directive, since it is no longer required.