Fix regression in graphs - capacity and inodes
Fix regression in graphs - capacity and inodes

Stub out model.clear on fake model I returned from getOSDIDDs

SUSE/calamari-clients,ceph/romana,SUSE/romana,GregMeno/test,GregMeno/test,GregMeno/test,ceph/romana,SUSE/calamari-clients,ceph/romana,ceph/calamari-clients,GregMeno/test,ceph/romana,SUSE/romana,ceph/calamari-clients,SUSE/romana,ceph/calamari-clients,SUSE/romana,SUSE/romana,ceph/calamari-clients,ceph/calamari-clients,SUSE/calamari-clients,SUSE/calamari-clients,ceph/romana,SUSE/calamari-clients,GregMeno/test