[SAIC-735] Check 'user_name' property in glance
[SAIC-735] Check 'user_name' property in glance

Check if 'user_name' property exists before update 'user_id' property
in glance deploy function.

SVilgelm/CloudFerry,MirantisWorkloadMobility/CloudFerry,MirantisWorkloadMobility/CloudFerry,mgrygoriev/CloudFerry,SVilgelm/CloudFerry,mgrygoriev/CloudFerry,MirantisWorkloadMobility/CloudFerry,SVilgelm/CloudFerry,mgrygoriev/CloudFerry,mgrygoriev/CloudFerry,SVilgelm/CloudFerry,MirantisWorkloadMobility/CloudFerry