CLOUDSTACK-3101:
fix listDiskOffering to not display offerings to the normal users with forDisplay=false. But display them to ROOT Admin irrespective of the flag.
Added display flag in the updateVolume/offeirng commands
Signed off by : nitin mehta<nitin.mehta@citrix.com>
CLOUDSTACK-4816: Make S3 upload multipart or singlepart configurable.