Fixes #18: Added UpdateBackupWithBackupJob

Job to Update Backup container in failover with Backup container in primary
Fixes #18: Added UpdateBackupWithBackupJob
(Incorporated comments from PR)

Job to Update Backup container in failover with Backup container in primar
Merge pull request #20 from NuGet/daravind/SyncDatacenter-3

Fixes #18: Added TransferBackupPackagesJob. Job to Update Backup container in failover with Backup container in primary