Fix flavor extension based on new attribute extension spec
Fix flavor extension based on new attribute extension spec

Fixes Bug 1037152

Change-Id: I6a92bb6c40d0d4f3ddb438c658d596993f5011f9

psiwczak/quantum,antonioUnina/neutron,sebrandon1/neutron,cloudbase/neutron,ykaneko/quantum,leeseulstack/openstack,virtualopensystems/neutron,leeseulstack/openstack,cloudbase/neutron,zhhf/charging,liqin75/vse-vpnaas-plugin,leeseulstack/openstack,vijayendrabvs/ssl-neutron,silenci/neutron,gkotton/neutron,MaximNevrov/neutron,mahak/neutron,gkotton/neutron,gkotton/neutron,Metaswitch/calico-neutron,tpaszkowski/quantum,bgxavier/neutron,rossella/neutron,CiscoSystems/vespa,rickerc/neutron_audit,aristanetworks/arista-ovs-quantum,jerryz1982/neutron,Stavitsky/neutron,mandeepdhami/neutron,antonioUnina/neutron,vveerava/Openstack,gopal1cloud/neutron,pnavarro/neutron,tpaszkowski/quantum,adelina-t/neutron,noironetworks/neutron,ntt-sic/neutron,asgard-lab/neutron,wenhuizhang/neutron,jacknjzhou/neutron,watonyweng/neutron,projectcalico/calico-neutron,yamahata/neutron,CiscoSystems/neutron,bgxavier/neutron,rdo-management/neutron,Juniper/contrail-dev-neutron,magic0704/neutron,asgard-lab/neutron,Juniper/neutron,yamahata/tacker,Brocade-OpenSource/OpenStack-DNRM-Neutron,kaiweifan/vse-lbaas-plugin-poc,dims/neutron,eonpatapon/neutron,FreescaleSemiconductor/quantum,Metaswitch/calico-neutron,mahak/neutron,redhat-openstack/neutron,wolverineav/neutron,yamt/neutron,psiwczak/quantum,takeshineshiro/neutron,blueboxgroup/neutron,yanheven/neutron,vijayendrabvs/hap,mandeepdhami/neutron,alexandrucoman/vbox-neutron-agent,miyakz1192/neutron,ykaneko/quantum,rossella/neutron,Juniper/neutron,oeeagle/quantum,rossella/neutron,miyakz1192/neutron,suneeth51/neutron,rdo-management/neutron,projectcalico/calico-neutron,sebrandon1/neutron,netscaler/neutron,psiwczak/quantum,virtualopensystems/neutron,eayunstack/neutron,yuewko/neutron,tpaszkowski/quantum,netscaler/neutron,sasukeh/neutron,FreescaleSemiconductor/quantum,klmitch/neutron,mahak/neutron,vveerava/Openstack,blueboxgroup/neutron,yamahata/tacker,CiscoSystems/quantum,kaiweifan/neutron,CiscoSystems/neutron,sasukeh/neutron,ykaneko/quantum,magic0704/neutron,chitr/neutron,JianyuWang/neutron,neoareslinux/neutron,citrix-openstack-build/neutron,FreescaleSemiconductor/quantum,CiscoSystems/quantum,armando-migliaccio/neutron,sajuptpm/neutron-ipam,kaiweifan/neutron,waltBB/neutron_read,skyddv/neutron,ykaneko/neutron,shahbazn/neutron,yamahata/neutron,swdream/neutron,psiwczak/quantum,Comcast/neutron,glove747/liberty-neutron,yanheven/neutron,gopal1cloud/neutron,rickerc/neutron_audit,jerryz1982/neutron,dims/neutron,leeseuljeong/leeseulstack_neutron,vivekanand1101/neutron,Juniper/contrail-dev-neutron,apporc/neutron,openstack/neutron,barnsnake351/neutron,ykaneko/neutron,SamYaple/neutron,huntxu/neutron,yamahata/neutron,redhat-openstack/neutron,oeeagle/quantum,Juniper/contrail-dev-neutron,cisco-openstack/neutron,CiscoSystems/neutron,bigswitch/neutron,Brocade-OpenSource/OpenStack-DNRM-Neutron,liqin75/vse-vpnaas-plugin,noironetworks/neutron,jumpojoy/neutron,neoareslinux/neutron,ntt-sic/neutron,citrix-openstack-build/neutron,FreescaleSemiconductor/quantum,vijayendrabvs/ssl-neutron,mattt416/neutron,ntt-sic/neutron,alexandrucoman/vbox-neutron-agent,vivekanand1101/neutron,armando-migliaccio/neutron,rossella/neutron,waltBB/neutron_read,CiscoSystems/vespa,blueboxgroup/neutron,openstack/neutron,kaiweifan/vse-lbaas-plugin-poc,cernops/neutron,JioCloud/neutron,klmitch/neutron,SmartInfrastructures/neutron,mmnelemane/neutron,aristanetworks/arista-ovs-quantum,Brocade-OpenSource/OpenStack-DNRM-Neutron,suneeth51/neutron,MaximNevrov/neutron,Juniper/neutron,infobloxopen/neutron,CiscoSystems/vespa,takeshineshiro/neutron,swdream/neutron,wenhuizhang/neutron,vijayendrabvs/hap,cloudbase/neutron-virtualbox,yamt/neutron,watonyweng/neutron,infobloxopen/neutron,eonpatapon/neutron,vbannai/neutron,kaiweifan/neutron,vijayendrabvs/hap,mmnelemane/neutron,netscaler/neutron,shahbazn/neutron,cernops/neutron,vbannai/neutron,armando-migliaccio/neutron,liqin75/vse-vpnaas-plugin,vijayendrabvs/ssl-neutron,jumpojoy/neutron,sajuptpm/neutron-ipam,liqin75/vse-vpnaas-plugin,Stavitsky/neutron,JioCloud/neutron,jacknjzhou/neutron,beagles/neutron_hacking,leeseuljeong/leeseulstack_neutron,eayunstack/neutron,rickerc/neutron_audit,citrix-openstack-build/neutron,aristanetworks/neutron,SmartInfrastructures/neutron,Comcast/neutron,yamt/neutron,silenci/neutron,NeCTAR-RC/neutron,ykaneko/quantum,barnsnake351/neutron,vveerava/Openstack,dhanunjaya/neutron,paninetworks/neutron,openstack/neutron,leeseuljeong/leeseulstack_neutron,wolverineav/neutron,NeCTAR-RC/neutron,armando-migliaccio/neutron,chitr/neutron,mattt416/neutron,kaiweifan/vse-lbaas-plugin-poc,Comcast/neutron,vbannai/neutron,tpaszkowski/quantum,glove747/liberty-neutron,JianyuWang/neutron,yamt/neutron,yamahata/tacker,cisco-openstack/neutron,igor-toga/local-snat,javaos74/neutron,beagles/neutron_hacking,javaos74/neutron,huntxu/neutron,SamYaple/neutron,beagles/neutron_hacking,apporc/neutron,dhanunjaya/neutron,ykaneko/neutron,zhhf/charging,bigswitch/neutron,aristanetworks/arista-ovs-quantum,sajuptpm/neutron-ipam,CiscoSystems/quantum,cloudbase/neutron-virtualbox,zhhf/charging,skyddv/neutron,virtualopensystems/neutron,igor-toga/local-snat,yuewko/neutron,aristanetworks/neutron,aristanetworks/arista-ovs-quantum,pnavarro/neutron,kaiweifan/vse-lbaas-plugin-poc,paninetworks/neutron,adelina-t/neutron