The spec approved in queens is amended.
The 'links' parameter is also available in the response of
the 'GET /os-migrations' API when the migration type is
'migration', 'resize' or 'evacuation' (besides 'live-migration')
and the migration status is in-progress.
Previously-approved: pike, queens
APIImpact
Change-Id: I74e6e88d7a8e219a4a10bcb777c95162959057f3
blueprint list-show-all-server-migration-types