Fix issue #98 - wait till nbd is connected using method in nova's disk.py
Fix issue #98 - wait till nbd is connected using method in nova's disk.py

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