Stop notifications from old leases
Stop notifications from old leases

 * Fixes performance issue with lots of instances
 * Also removes some commented out code
 * Fixes bug 959356

Change-Id: I6e4cf3cd6ebe9d5d1ae4fc2472ef1765d13f49f6

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