Stop quantum-ns-metadata-proxy process on unstack
Stop quantum-ns-metadata-proxy process on unstack

Change function stop_quantum() in lib/quantum to also kill quantum-ns-metadata-proxy process

Fix Bug #1175658

Change-Id: I9e8f8437817cc645ab15eecfea1a134ea5ac13f2

kplus/devstack-moonshot,deepakselvaraj/devstack,bljgaurav/openstack-test,dtroyer/devstack,liuquansheng47/devstack,j4/devstack,wenhuizhang/devstack,Mahito/devstack,prithivm/branch01,promptworks/devstack,samgoon/devstack,williamthegrey/devstack,sequenceiq/devstack,nawawi/openstack,flavio-fernandes/devstack,HPCHub/devstack,noironetworks/devstack,pczerkas/devstack,vishnugonela/devstack,pczerkas/devstack,noironetworks/devstack,sequenceiq/devstack,TwinkleChawla/devstack,andrewrothstein/devstack,CloudServer/devstack,ozamiatin/devstack,samgoon/devstack,pacinete/devstack,bswartz/devstack,inkerra/devstack,mc2014/devstack,Juniper/devstack,costingalan/devstack,group-policy/devstack,srics/devstack,TwinkleChawla/devstack,prithivm/branch01,affo/devstack,armando-migliaccio/devstack,nuxeh/devstack,group-policy/devstack,mmasaki/devstack,Millnert/contrail-devstack,rushiagr/devstack,varunarya10/devstack,innodee/openstackk,costingalan/devstack,richliu/devstack,jamielennox/devstack,nuxeh/devstack,BSJAIN92/OpenStack,tianweizhang/devstack,BSJAIN92/OpenStack,thomasem/devstack,virtualopensystems/devstack,neerja28/Devstack_GlusterFS,pombredanne/devstack,upadhyay-prashant/devstack,j4/devstack,rushiagr/devstack,bigswitch/devstack,tianweizhang/devstack,upadhyay-prashant/devstack,sc68cal/devstack,avvocatodemarchis/devstack,eharney/devstack,CiscoSystems/devstack,pombredanne/devstack,vsham20/devstack,openstack-dev/devstack,thomasem/devstack,nawawi/openstack,ozamiatin/devstack,parul24/devstack,liuquansheng47/devstack,mssumanth/devstack,Yuriy-Leonov/devstack,andrewrothstein/devstack,olivierlemasle/devstack,mssumanth/devstack,dirkmueller/devstack,neerja28/Devstack_GlusterFS,avvocatodemarchis/devstack,promptworks/devstack,openstack-dev/devstack,eshnil2000/devstack,herrsechs/devstack,herrsechs/devstack,CloudServer/devstack,dirkmueller/devstack,Mahito/devstack,olivierlemasle/devstack,mc2014/devstack,dtroyer/devstack,atulpatil301/devstack,vsham20/devstack,kplus/devstack-moonshot,varunarya10/devstack,bljgaurav/openstack-test,flavio-fernandes/devstack,LoHChina/devstack,wenhuizhang/devstack,pacinete/devstack,vishnugonela/devstack,atulpatil301/devstack,affo/devstack,bigswitch/devstack,eharney/devstack,sc68cal/devstack,bq-xiao/devstack,richliu/devstack,yamt/devstack,bswartz/devstack,LoHChina/devstack,mmasaki/devstack,NaokiMiyata/devstack,parul24/devstack,JioCloud/devstack,bq-xiao/devstack,HPCHub/devstack,NaokiMiyata/devstack