Fix deletion of user when he is the last member of the group
Fix deletion of user when he is the last member of the group

zzicewind/nova,belmiromoreira/nova,virtualopensystems/nova,openstack/nova,yatinkumbhare/openstack-nova,TwinkleChawla/nova,NewpTone/stacklab-nova,projectcalico/calico-nova,vladikr/nova_drafts,sridevikoushik31/nova,josephsuh/extra-specs,houshengbo/nova_vmware_compute_driver,mmnelemane/nova,zzicewind/nova,houshengbo/nova_vmware_compute_driver,dstroppa/openstack-smartos-nova-grizzly,hanlind/nova,klmitch/nova,nikesh-mahalka/nova,gspilio/nova,gooddata/openstack-nova,mikalstill/nova,usc-isi/extra-specs,psiwczak/openstack,josephsuh/extra-specs,maheshp/novatest,Juniper/nova,nikesh-mahalka/nova,russellb/nova,vmturbo/nova,dawnpower/nova,eonpatapon/nova,maoy/zknova,Metaswitch/calico-nova,SUSE-Cloud/nova,thomasem/nova,varunarya10/nova_test_latest,mikalstill/nova,sacharya/nova,Juniper/nova,fnordahl/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,eneabio/nova,rahulunair/nova,CloudServer/nova,Yuriy-Leonov/nova,thomasem/nova,tangfeixiong/nova,eneabio/nova,isyippee/nova,NoBodyCam/TftpPxeBootBareMetal,psiwczak/openstack,mgagne/nova,raildo/nova,isyippee/nova,usc-isi/extra-specs,iuliat/nova,iuliat/nova,TieWei/nova,alexandrucoman/vbox-nova-driver,jeffrey4l/nova,berrange/nova,CEG-FYP-OpenStack/scheduler,JianyuWang/nova,maheshp/novatest,JioCloud/nova_test_latest,double12gzh/nova,rajalokan/nova,Yuriy-Leonov/nova,scripnichenko/nova,DirectXMan12/nova-hacking,hanlind/nova,qwefi/nova,akash1808/nova_test_latest,saleemjaveds/https-github.com-openstack-nova,citrix-openstack-build/nova,tangfeixiong/nova,yosshy/nova,sridevikoushik31/nova,TieWei/nova,j-carpentier/nova,cloudbase/nova-virtualbox,JianyuWang/nova,apporc/nova,akash1808/nova,gooddata/openstack-nova,usc-isi/nova,zaina/nova,JioCloud/nova,Juniper/nova,ted-gould/nova,tealover/nova,CiscoSystems/nova,alaski/nova,takeshineshiro/nova,BeyondTheClouds/nova,Francis-Liu/animated-broccoli,Triv90/Nova,Juniper/nova,aristanetworks/arista-ovs-nova,devoid/nova,eayunstack/nova,usc-isi/nova,cernops/nova,NoBodyCam/TftpPxeBootBareMetal,felixma/nova,ewindisch/nova,DirectXMan12/nova-hacking,TwinkleChawla/nova,yatinkumbhare/openstack-nova,salv-orlando/MyRepo,petrutlucian94/nova,whitepages/nova,mgagne/nova,tianweizhang/nova,petrutlucian94/nova_dev,belmiromoreira/nova,termie/pupa,salv-orlando/MyRepo,edulramirez/nova,ewindisch/nova,Stavitsky/nova,anotherjesse/nova,cloudbau/nova,viggates/nova,luogangyi/bcec-nova,CCI-MOC/nova,angdraug/nova,devendermishrajio/nova_test_latest,superstack/nova,gspilio/nova,mmnelemane/nova,Triv90/Nova,mandeepdhami/nova,fnordahl/nova,devendermishrajio/nova,mahak/nova,jianghuaw/nova,cloudbase/nova,usc-isi/nova,barnsnake351/nova,eonpatapon/nova,dims/nova,JioCloud/nova,imsplitbit/nova,paulmathews/nova,OpenAcademy-OpenStack/nova-scheduler,bigswitch/nova,CCI-MOC/nova,spring-week-topos/nova-week,rajalokan/nova,KarimAllah/nova,eharney/nova,sebrandon1/nova,plumgrid/plumgrid-nova,JioCloud/nova_test_latest,alvarolopez/nova,devoid/nova,ted-gould/nova,CloudServer/nova,plumgrid/plumgrid-nova,NewpTone/stacklab-nova,rajalokan/nova,NeCTAR-RC/nova,gspilio/nova,aristanetworks/arista-ovs-nova,alexandrucoman/vbox-nova-driver,Metaswitch/calico-nova,klmitch/nova,termie/nova-migration-demo,vmturbo/nova,termie/pupa,tudorvio/nova,termie/pupa,superstack/nova,mikalstill/nova,tudorvio/nova,Yusuke1987/openstack_template,sileht/deb-openstack-nova,blueboxgroup/nova,NoBodyCam/TftpPxeBootBareMetal,redhat-openstack/nova,berrange/nova,eneabio/nova,double12gzh/nova,ruslanloman/nova,zhimin711/nova,CEG-FYP-OpenStack/scheduler,sacharya/nova,sridevikoushik31/openstack,openstack/nova,petrutlucian94/nova,zhimin711/nova,superstack/nova,sridevikoushik31/nova,gooddata/openstack-nova,ntt-sic/nova,scripnichenko/nova,rrader/nova-docker-plugin,russellb/nova,BeyondTheClouds/nova,j-carpentier/nova,shail2810/nova,angdraug/nova,mandeepdhami/nova,vmturbo/nova,cyx1231st/nova,LoHChina/nova,klmitch/nova,adelina-t/nova,savi-dev/nova,maoy/zknova,MountainWei/nova,badock/nova,termie/nova-migration-demo,affo/nova,bgxavier/nova,dawnpower/nova,cernops/nova,watonyweng/nova,blueboxgroup/nova,fajoy/nova,badock/nova,tealover/nova,termie/nova-migration-demo,silenceli/nova,rajalokan/nova,orbitfp7/nova,mahak/nova,bgxavier/nova,josephsuh/extra-specs,saleemjaveds/https-github.com-openstack-nova,sridevikoushik31/openstack,rahulunair/nova,imsplitbit/nova,redhat-openstack/nova,kimjaejoong/nova,SUSE-Cloud/nova,affo/nova,rickerc/nova_audit,felixma/nova,savi-dev/nova,vmturbo/nova,alvarolopez/nova,joker946/nova,DirectXMan12/nova-hacking,fajoy/nova,cernops/nova,sridevikoushik31/openstack,phenoxim/nova,tanglei528/nova,raildo/nova,silenceli/nova,jianghuaw/nova,sileht/deb-openstack-nova,eharney/nova,alaski/nova,gooddata/openstack-nova,Tehsmash/nova,aristanetworks/arista-ovs-nova,KarimAllah/nova,anotherjesse/nova,viggates/nova,bclau/nova,openstack/nova,cloudbase/nova,sridevikoushik31/nova,kimjaejoong/nova,Stavitsky/nova,anotherjesse/nova,vladikr/nova_drafts,akash1808/nova,akash1808/nova_test_latest,phenoxim/nova,OpenAcademy-OpenStack/nova-scheduler,tanglei528/nova,salv-orlando/MyRepo,NewpTone/stacklab-nova,sebrandon1/nova,virtualopensystems/nova,petrutlucian94/nova_dev,devendermishrajio/nova_test_latest,shahar-stratoscale/nova,orbitfp7/nova,shootstar/novatest,varunarya10/nova_test_latest,cyx1231st/nova,Triv90/Nova,yrobla/nova,apporc/nova,savi-dev/nova,NeCTAR-RC/nova,shail2810/nova,bigswitch/nova,shootstar/novatest,cloudbase/nova-virtualbox,takeshineshiro/nova,maelnor/nova,MountainWei/nova,edulramirez/nova,noironetworks/nova,yrobla/nova,Yusuke1987/openstack_template,dstroppa/openstack-smartos-nova-grizzly,psiwczak/openstack,dims/nova,klmitch/nova,paulmathews/nova,jianghuaw/nova,KarimAllah/nova,rickerc/nova_audit,paulmathews/nova,citrix-openstack-build/nova,maelnor/nova,leilihh/nova,barnsnake351/nova,sileht/deb-openstack-nova,rahulunair/nova,luogangyi/bcec-nova,Francis-Liu/animated-broccoli,cloudbase/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,projectcalico/calico-nova,Tehsmash/nova,mahak/nova,spring-week-topos/nova-week,leilihh/novaha,houshengbo/nova_vmware_compute_driver,BeyondTheClouds/nova,fajoy/nova,russellb/nova,cloudbau/nova,dstroppa/openstack-smartos-nova-grizzly,ruslanloman/nova,shahar-stratoscale/nova,whitepages/nova,devendermishrajio/nova,rrader/nova-docker-plugin,bclau/nova,CiscoSystems/nova,adelina-t/nova,sebrandon1/nova,qwefi/nova,yrobla/nova,ntt-sic/nova,leilihh/novaha,LoHChina/nova,yosshy/nova,jeffrey4l/nova,tianweizhang/nova,hanlind/nova,usc-isi/extra-specs,watonyweng/nova,eayunstack/nova,maoy/zknova,noironetworks/nova,leilihh/nova,zaina/nova,joker946/nova,jianghuaw/nova,maheshp/novatest