Use oslo.versionedobjects remotable decorators
Use oslo.versionedobjects remotable decorators

As part of migrating to oslo.versionedobjects, use decorators from Oslo.

Related to blueprint versioned-objects

Change-Id: I71bbb723e7dd102b598ad4c92f31802a8b4bdc3d

eshijia/magnum,Alzon/SUR,mjbrewer/testindex,annegentle/magnum,jay-lau/magnum,ArchiFleKs/magnum,paulczar/magnum,paulczar/magnum,LaynePeng/magnum,eshijia/SUR,ChengTiesheng/magnum,Tennyson53/magnum,ddepaoli3/magnum,openstack/magnum,LaynePeng/magnum,Tennyson53/SUR,ffantast/magnum,mjbrewer/testindex,Alzon/SUR,openstack/magnum,annegentle/magnum,Tennyson53/magnum,hongbin/magnum,ramielrowe/magnum,mjbrewer/testindex,sajuptpm/magnum,dimtruck/magnum,ddepaoli3/magnum,ffantast/magnum,eshijia/magnum,ramielrowe/magnum,hongbin/magnum,ChengTiesheng/magnum,Tennyson53/SUR,sajuptpm/magnum,dimtruck/magnum,ArchiFleKs/magnum,eshijia/SUR