relax amqplib and kombu version requirements
relax amqplib and kombu version requirements

as nova did while ago.

this particular version of kombu doesn't work if newer msgpack happens
to be installed on the system.

bug 1178512

Change-Id: I2749623036723b5a772b1c4c01dc07437e421925

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