Change check-detach to reject more states
Change check-detach to reject more states

Change check_detach is reject anything other than 'in-use', rather than
just rejecting 'available'.

Fixes bug #1199922

Change-Id: I3180540ca7bb699a3494ca4eea1389ae8a117df0

dims/cinder,CloudServer/cinder,rickerc/cinder_audit,apporc/cinder,leilihh/cinder,petrutlucian94/cinder,alex8866/cinder,scottdangelo/RemoveVolumeMangerLocks,redhat-openstack/cinder,scottdangelo/RemoveVolumeMangerLocks,inkerra/cinder,scality/cinder,spring-week-topos/cinder-week,duhzecca/cinder,alex8866/cinder,ge0rgi/cinder,cloudbase/cinder,redhat-openstack/cinder,Accelerite/cinder,duhzecca/cinder,potsmaster/cinder,NetApp/cinder,JioCloud/cinder,github-borat/cinder,winndows/cinder,Thingee/cinder,blueboxgroup/cinder,maelnor/cinder,leilihh/cinder,sasukeh/cinder,Thingee/cinder,julianwang/cinder,cloudbau/cinder,nexusriot/cinder,scality/cinder,phenoxim/cinder,Datera/cinder,takeshineshiro/cinder,mahak/cinder,Akrog/cinder,Hybrid-Cloud/cinder,bswartz/cinder,abusse/cinder,nikesh-mahalka/cinder,tlakshman26/cinder-https-changes,tlakshman26/cinder-new-branch,saeki-masaki/cinder,ntt-sic/cinder,Nexenta/cinder,tlakshman26/cinder-https-changes,openstack/cinder,Akrog/cinder,cloudbase/cinder,NeCTAR-RC/cinder,nikesh-mahalka/cinder,tlakshman26/cinder-new-branch,github-borat/cinder,CloudServer/cinder,phenoxim/cinder,nexusriot/cinder,NetApp/cinder,Hybrid-Cloud/cinder,rakeshmi/cinder,potsmaster/cinder,Nexenta/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,manojhirway/ExistingImagesOnNFS,sasukeh/cinder,blueboxgroup/cinder,maelnor/cinder,spring-week-topos/cinder-week,j-griffith/cinder,rickerc/cinder_audit,rakeshmi/cinder,julianwang/cinder,abusse/cinder,petrutlucian94/cinder,manojhirway/ExistingImagesOnNFS,winndows/cinder,Paul-Ezell/cinder-1,inkerra/cinder,hguemar/cinder,eharney/cinder,mahak/cinder,Accelerite/cinder,Thingee/cinder,hguemar/cinder,openstack/cinder,dims/cinder,j-griffith/cinder,saeki-masaki/cinder,apporc/cinder,bswartz/cinder,ntt-sic/cinder,Paul-Ezell/cinder-1,takeshineshiro/cinder,cloudbau/cinder,JioCloud/cinder,NeCTAR-RC/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,Datera/cinder,eharney/cinder