Set sane defaults, get config info from localrc
Set sane defaults, get config info from localrc

Change-Id: If8f942723c5e796207f3caf15a65c8501cd63d83

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