Use -e to read
Use -e to read

Which use readline for interactive read command (allow to do control-a/e
and such).

Change-Id: I143d6f14dd7e853197f2e30909d4f7b33262351a

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