Use final release of Fedora 20 for heat test image
Use final release of Fedora 20 for heat test image

The image file has not changed, but the URL now points to
the release directory for Fedora 20.

Change-Id: Ie1a9bcc7da634996b25ef7f6fc694398c632549d

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