Specified oslo.config version to be instaled.
Specified oslo.config version to be instaled.

Specified oslo.config version to be instaled, because oslo.config
got updated and is breaking migration process.

Settis/CloudFerry,MirantisWorkloadMobility/CloudFerry,archyufa/CloudFerry,archyufa/CloudFerry,MirantisWorkloadMobility/CloudFerry,japaniel/CloudFerry,SVilgelm/CloudFerry,SVilgelm/CloudFerry,archyufa/CloudFerry,mgrygoriev/CloudFerry,mgrygoriev/CloudFerry,MirantisWorkloadMobility/CloudFerry,andybondar/CloudFerry,mgrygoriev/CloudFerry,MirantisWorkloadMobility/CloudFerry,roman-verchikov/CloudFerry,andybondar/CloudFerry,roman-verchikov/CloudFerry,andybondar/CloudFerry,roman-verchikov/CloudFerry,japaniel/CloudFerry,japaniel/CloudFerry,roman-verchikov/CloudFerry,SVilgelm/CloudFerry,mgrygoriev/CloudFerry,SVilgelm/CloudFerry,archyufa/CloudFerry,japaniel/CloudFerry,andybondar/CloudFerry