Stop using deprecated rabbit related config options
Stop using deprecated rabbit related config options

Stop services from throwing the following warning:
  Option "rabbit_password" from group "DEFAULT" is deprecated. Use option
  "rabbit_password" from group "oslo_messaging_rabbit".
Same for rabbit_hosts and rabbit_userid

Change-Id: I7da503ef50b3653b888cb243caa74b4253a495e2

noironetworks/devstack,avvocatodemarchis/devstack,dirkmueller/devstack,bigswitch/devstack,ozamiatin/devstack,upadhyay-prashant/devstack,mc2014/devstack,olivierlemasle/devstack,dirkmueller/devstack,group-policy/devstack,mmasaki/devstack,pombredanne/devstack,parul24/devstack,avvocatodemarchis/devstack,CloudServer/devstack,pacinete/devstack,prithivm/branch01,LoHChina/devstack,pczerkas/devstack,TwinkleChawla/devstack,kplus/devstack-moonshot,thomasem/devstack,nuxeh/devstack,mssumanth/devstack,parul24/devstack,samgoon/devstack,neerja28/Devstack_GlusterFS,kplus/devstack-moonshot,HPCHub/devstack,openstack-dev/devstack,herrsechs/devstack,costingalan/devstack,prithivm/branch01,dtroyer/devstack,bq-xiao/devstack,flavio-fernandes/devstack,ozamiatin/devstack,rushiagr/devstack,andrewrothstein/devstack,vsham20/devstack,flavio-fernandes/devstack,j4/devstack,varunarya10/devstack,NaokiMiyata/devstack,mssumanth/devstack,costingalan/devstack,atulpatil301/devstack,liuquansheng47/devstack,NaokiMiyata/devstack,pczerkas/devstack,thomasem/devstack,group-policy/devstack,nawawi/openstack,olivierlemasle/devstack,herrsechs/devstack,vishnugonela/devstack,richliu/devstack,mmasaki/devstack,bswartz/devstack,varunarya10/devstack,neerja28/Devstack_GlusterFS,vishnugonela/devstack,bigswitch/devstack,andrewrothstein/devstack,richliu/devstack,atulpatil301/devstack,nuxeh/devstack,noironetworks/devstack,CloudServer/devstack,j4/devstack,dtroyer/devstack,pacinete/devstack,LoHChina/devstack,eharney/devstack,HPCHub/devstack,vsham20/devstack,Mahito/devstack,wenhuizhang/devstack,Mahito/devstack,bswartz/devstack,bljgaurav/openstack-test,TwinkleChawla/devstack,nawawi/openstack,upadhyay-prashant/devstack,wenhuizhang/devstack,pombredanne/devstack,liuquansheng47/devstack,rushiagr/devstack,openstack-dev/devstack,bq-xiao/devstack,eharney/devstack,samgoon/devstack,mc2014/devstack,bljgaurav/openstack-test