Set nova config allow_resize_on_same_host
Set nova config allow_resize_on_same_host

Include --allow_resize_on_same_host in nova.conf to allow the
tempest resize tests to proceed against devstack.

Change-Id: Ifd030ed591d63146c21e640240398a81cee194cd

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