Fix getting EC2 and S3 urls in create_userrc
Fix getting EC2 and S3 urls in create_userrc

Invalid parsing of openstackclient output was introduced in
I03c17cfc9740c3eb257152c95d9c4f021db2c89e. Here command lines
was changed to get urls with no parsing.

Also default EC2_URL was fixed.

Change-Id: Ic46a9989321cf6310c56edeeb737c603a4f9c1ed

promptworks/devstack,kplus/devstack-moonshot,NaokiMiyata/devstack,sequenceiq/devstack,noironetworks/devstack,affo/devstack,wenhuizhang/devstack,eharney/devstack,neerja28/Devstack_GlusterFS,promptworks/devstack,samgoon/devstack,virtualopensystems/devstack,innodee/openstackk,upadhyay-prashant/devstack,neerja28/Devstack_GlusterFS,eshnil2000/devstack,vsham20/devstack,mssumanth/devstack,andrewrothstein/devstack,noironetworks/devstack,TwinkleChawla/devstack,bq-xiao/devstack,bljgaurav/openstack-test,mssumanth/devstack,varunarya10/devstack,Mahito/devstack,pczerkas/devstack,sequenceiq/devstack,bigswitch/devstack,liuquansheng47/devstack,varunarya10/devstack,sc68cal/devstack,avvocatodemarchis/devstack,upadhyay-prashant/devstack,olivierlemasle/devstack,herrsechs/devstack,LoHChina/devstack,parul24/devstack,atulpatil301/devstack,olivierlemasle/devstack,mmasaki/devstack,sc68cal/devstack,openstack-dev/devstack,wenhuizhang/devstack,kplus/devstack-moonshot,group-policy/devstack,rushiagr/devstack,flavio-fernandes/devstack,pacinete/devstack,avvocatodemarchis/devstack,tianweizhang/devstack,eharney/devstack,srics/devstack,mmasaki/devstack,NaokiMiyata/devstack,richliu/devstack,thomasem/devstack,pombredanne/devstack,samgoon/devstack,j4/devstack,BSJAIN92/OpenStack,HPCHub/devstack,vishnugonela/devstack,prithivm/branch01,nawawi/openstack,rushiagr/devstack,LoHChina/devstack,flavio-fernandes/devstack,herrsechs/devstack,costingalan/devstack,tianweizhang/devstack,mc2014/devstack,TwinkleChawla/devstack,Mahito/devstack,parul24/devstack,dirkmueller/devstack,andrewrothstein/devstack,mc2014/devstack,group-policy/devstack,pczerkas/devstack,BSJAIN92/OpenStack,nawawi/openstack,bljgaurav/openstack-test,nuxeh/devstack,liuquansheng47/devstack,bswartz/devstack,richliu/devstack,vsham20/devstack,openstack-dev/devstack,prithivm/branch01,HPCHub/devstack,CloudServer/devstack,bswartz/devstack,j4/devstack,atulpatil301/devstack,ozamiatin/devstack,CloudServer/devstack,ozamiatin/devstack,vishnugonela/devstack,dtroyer/devstack,affo/devstack,dirkmueller/devstack,costingalan/devstack,pombredanne/devstack,pacinete/devstack,bigswitch/devstack,thomasem/devstack,dtroyer/devstack,nuxeh/devstack,bq-xiao/devstack