fixed list warn when ip allocated to missing inst.
fixed list warn when ip allocated to missing inst.

Update 'nova-manage fixed list' so it prints a warning if an IP
is allocated to a deleted/missing instance.

Fixes LP Bug #953685.

Change-Id: I72b7ad2cb01e31cf9bb6cab904ab10d8769a3526

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