Fixes LP bug #907898.
Fixes LP bug #907898.

Update DB api so that fixed_ip_disassociate_all_by_timeout uses two
separate commands (a query then an update). Fixes LP bug #907898.

Change-Id: I60d7e7ba6bb3d3542ccf5b595d0c0de944e499a3

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