Fixes Quantum rootwrap configuration
Fixes Quantum rootwrap configuration

The patch enables the user to configure the quantum rootwrap status
(Q_USE_ROOTWRAP). This is enabled by default.

Change-Id: I2513caef972f20faa1e4fc8b3905a1f0ea0ba2db

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