Updated openstack/openstack
Project: openstack/oslo-incubator  b028663599d87ebff800c9f74e5488fcae48e034

Add a script for checking out all OpenStack repos

Add a tool script for checking out a local copy of all of the OpenStack
repositories.

Change-Id: Id07ef1773e2baf2b4ee673a0f0a7454b8969de57