Fix heat role create error
Fix heat role create error

https://review.openstack.org/#/c/76036/ changed the user creat commands,
missed the argument to --user

Change-Id: Iaf10ef80a2fb0227dd66a314e7ec253dfb4dc4fe

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