Change the openvz driver compute_driver entry to match all other compute drivers in nova.
Change the openvz driver compute_driver entry to match
all other compute drivers in nova.

Change-Id: Ic9ce4dae930d46a8ce0e64a984880d5603f84f85
Fixes: bug #1133397

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