EUCA-9456, sync up error message with what S3 uses
EUCA-9455, it is appropriate for a 404 to be thrown when a users attempts to delete a bucket that doesn't exist
OSG list parts fixes:
Added PartMumberMarker, NextPartNumberMarker and MaxParts to the response.
Changed Initiator ID to user ARN.
Added binding elements and evaluation logic for part-number-marker and max-parts.
Throw error for invalid key in mulitpart upload requests.

Fixes EUCA-9478
OSG list multipart uploads fixes

Added KeyMarker, UploadIdMarker, NextKeyMarker and NextUploadIdMarker elements to the response.
Ordered the listing by keys first and upload IDs next.
Added the binding for upload-id-marker and max-uploads.
Fixed listing logic when key-marker and upload-id-marker are incldued in the request.
Ignored upload-id-marker when key-marker is not available in the request.
Changed Initiator ID to user ARN.

Fixes EUCA-9443
Fixing junit test for EUCA-9443