Use the canonical URL for repositories (git.openstack.org)

- When the URL refers to cloning or using git repositories, use the
  cloning URL (https://git.openstack.org/<namespace>/<project>)
- When the URL refers to the browsable version of the repository, point to
  the cgit frontend (https://git.openstack.org/cgit/<namespace>/<project>)

Change-Id: Iaeaa153a05aa85b9cf7451ae3c28aec56722222c
10 files changed