* commit 'f603867960fab8c2aa57a0b7f5eea8aaf12c67c9':
validators: add Optional() to IValidator for use in ValidateUpdateData()
mcclient: options: set details=true when --pending-delete-all is specified
cloudcommon: virtualresource: show pending_deleted field when queried
cloudcommon: virtualresource: optimize list with --field specified