Make devref point to official devstack vagrant repo.
Make devref point to official devstack vagrant repo.

Now that we have an official devstack vagrant repo, lets point to that
instead of my own half maintained repo.

Change-Id: I944265d18f6e796608576ea71a7983aed0ece542

maelnor/nova,double12gzh/nova,virtualopensystems/nova,JianyuWang/nova,TwinkleChawla/nova,mahak/nova,NeCTAR-RC/nova,TwinkleChawla/nova,edulramirez/nova,blueboxgroup/nova,cernops/nova,nikesh-mahalka/nova,silenceli/nova,dims/nova,sebrandon1/nova,orbitfp7/nova,jianghuaw/nova,zaina/nova,j-carpentier/nova,sebrandon1/nova,cyx1231st/nova,openstack/nova,vmturbo/nova,yosshy/nova,rajalokan/nova,petrutlucian94/nova,bgxavier/nova,blueboxgroup/nova,hanlind/nova,vladikr/nova_drafts,sebrandon1/nova,mahak/nova,angdraug/nova,yatinkumbhare/openstack-nova,alexandrucoman/vbox-nova-driver,watonyweng/nova,LoHChina/nova,devendermishrajio/nova_test_latest,kimjaejoong/nova,rahulunair/nova,angdraug/nova,mgagne/nova,mikalstill/nova,eayunstack/nova,raildo/nova,orbitfp7/nova,raildo/nova,akash1808/nova_test_latest,BeyondTheClouds/nova,zaina/nova,zhimin711/nova,tangfeixiong/nova,felixma/nova,Stavitsky/nova,cyx1231st/nova,watonyweng/nova,j-carpentier/nova,redhat-openstack/nova,ted-gould/nova,Yusuke1987/openstack_template,NeCTAR-RC/nova,klmitch/nova,mmnelemane/nova,affo/nova,petrutlucian94/nova,barnsnake351/nova,mikalstill/nova,Metaswitch/calico-nova,berrange/nova,viggates/nova,CEG-FYP-OpenStack/scheduler,Tehsmash/nova,tealover/nova,JioCloud/nova,devendermishrajio/nova_test_latest,gooddata/openstack-nova,bigswitch/nova,apporc/nova,rajalokan/nova,Francis-Liu/animated-broccoli,cloudbase/nova-virtualbox,zhimin711/nova,tianweizhang/nova,yosshy/nova,nikesh-mahalka/nova,CCI-MOC/nova,apporc/nova,ruslanloman/nova,mgagne/nova,double12gzh/nova,rajalokan/nova,thomasem/nova,iuliat/nova,cloudbase/nova,Metaswitch/calico-nova,silenceli/nova,openstack/nova,whitepages/nova,adelina-t/nova,JioCloud/nova_test_latest,kimjaejoong/nova,devendermishrajio/nova,viggates/nova,dims/nova,jeffrey4l/nova,saleemjaveds/https-github.com-openstack-nova,hanlind/nova,mandeepdhami/nova,saleemjaveds/https-github.com-openstack-nova,affo/nova,tangfeixiong/nova,dawnpower/nova,felixma/nova,bigswitch/nova,cernops/nova,mikalstill/nova,fnordahl/nova,scripnichenko/nova,eayunstack/nova,MountainWei/nova,varunarya10/nova_test_latest,gooddata/openstack-nova,rajalokan/nova,LoHChina/nova,varunarya10/nova_test_latest,yatinkumbhare/openstack-nova,openstack/nova,badock/nova,mahak/nova,akash1808/nova,Stavitsky/nova,cloudbase/nova,JianyuWang/nova,CloudServer/nova,badock/nova,noironetworks/nova,jianghuaw/nova,rahulunair/nova,tudorvio/nova,devendermishrajio/nova,scripnichenko/nova,ruslanloman/nova,BeyondTheClouds/nova,edulramirez/nova,Juniper/nova,MountainWei/nova,projectcalico/calico-nova,virtualopensystems/nova,zzicewind/nova,barnsnake351/nova,belmiromoreira/nova,Juniper/nova,hanlind/nova,JioCloud/nova_test_latest,thomasem/nova,eonpatapon/nova,vmturbo/nova,phenoxim/nova,cernops/nova,zzicewind/nova,mmnelemane/nova,alvarolopez/nova,CEG-FYP-OpenStack/scheduler,vladikr/nova_drafts,alaski/nova,isyippee/nova,Juniper/nova,maelnor/nova,phenoxim/nova,cloudbase/nova,rahulunair/nova,Tehsmash/nova,belmiromoreira/nova,shail2810/nova,jeffrey4l/nova,tudorvio/nova,eonpatapon/nova,dawnpower/nova,alexandrucoman/vbox-nova-driver,BeyondTheClouds/nova,akash1808/nova_test_latest,whitepages/nova,bgxavier/nova,alaski/nova,klmitch/nova,gooddata/openstack-nova,shail2810/nova,joker946/nova,alvarolopez/nova,klmitch/nova,takeshineshiro/nova,Francis-Liu/animated-broccoli,vmturbo/nova,vmturbo/nova,mandeepdhami/nova,fnordahl/nova,JioCloud/nova,ted-gould/nova,CloudServer/nova,gooddata/openstack-nova,jianghuaw/nova,jianghuaw/nova,redhat-openstack/nova,iuliat/nova,joker946/nova,adelina-t/nova,takeshineshiro/nova,berrange/nova,cloudbase/nova-virtualbox,Yusuke1987/openstack_template,tealover/nova,isyippee/nova,klmitch/nova,akash1808/nova,CCI-MOC/nova,projectcalico/calico-nova,tianweizhang/nova,Juniper/nova,noironetworks/nova