Require pbr 0.5.16 or newer
Require pbr 0.5.16 or newer

Use a version of pbr greater then 0.5.15. Earlier versions have problems
when alpha tarballs are used as dependencies.

Fixes bug 1191155

Change-Id: I889358ae746761b282c5933c53bce10017be4c57

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