Improve volume transfer records
Improve volume transfer records

This spec proposes to improve volume transfer records by
adding ``original_project_id`` and ``current_project_id``,
``accept`` fields to ``transfer`` table and related api
responses, makes it easier for users to trace and audit the
volume transfer history.

Change-Id: Ia6f1824f44a6297fc3696bdf4a86f0d0758583c6
Blueprint: improve-volume-transfer-records

openstack/cinder-specs