Allow rally-core to rebase changes in rally
Allow rally-core to rebase changes in rally

Change-Id: I4baf4078c3c823091c7da63a04a1e68a78fd24ff

Tesora/tesora-project-config,coolsvap/project-config,citrix-openstack/project-config,Tesora/tesora-project-config,open-switch/infra_project-config,dongwenjuan/project-config,osrg/project-config,noorul/os-project-config,openstack-infra/project-config,anbangr/osci-project-config,open-switch/infra_project-config,dongwenjuan/project-config,noorul/os-project-config,anbangr/osci-project-config,openstack-infra/project-config,coolsvap/project-config,citrix-openstack/project-config,osrg/project-config