Support changing remote repo urls.
Support changing remote repo urls.

Change-Id: I3f9dbd638ea7a29c4e2ea08d5cc6e1f239c2e65a
Reviewed-on: https://review.openstack.org/11234
Approved: Monty Taylor <37c07a49ee3d5191376d758eb1d8298b34456b8e@inaugust.com>
Reviewed-by: Monty Taylor <37c07a49ee3d5191376d758eb1d8298b34456b8e@inaugust.com>
Tested-by: Jenkins

open-switch/infra_puppet-jenkins,open-switch/infra_puppet-jenkins