add elapsed time to script
add elapsed time to script

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