Added task to create SQL User
Added List and Delete SQL User commands
Merge pull request #52 from NuGet/anurse-34-createdbuser

Added Ops Tasks to create/list/delete DB Users and Logins
Fixed tasks to support getting last backup timestamp even if backup name is incorrectly formatted
Quieted down the Backup Packages task
Enabled Backup Packages Task
Made Backup Packages slightly more noisy now :)
Decreased period of Backup Packages job now that it only starts async copies
Fixed Backup job to use backup storage account as target
Added backup state tracking so that the more frequent backups are incremental (still have a daily full backup)
Allow state file to not exist.
Added support for invalid backup state file
Added marker to log files to detect job restarts
Work in 1000 package increments and check content-md5 value if present
Updated BackupPackageFile Task to support new backup file name pattern
Fixed bug in SQL Query for retrieving packages to back up
Merge pull request #54 from NuGet/anurse-backuppackagefiles

Enable the new Backup Packages job
Merge branch 'anurse-warehousebackupfix' into dev

Conflicts:
	Source/NuGetGallery.Operations/Util.cs