Tweaking euca image manager
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/atmosphere
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/atmosphere
Fixes to migrations for auth
CentOS images can now be migrated from Euca-->OStack, along with Ubuntu
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/atmosphere