Updated openstack/openstack
Project: openstack-dev/pbr  73571418d21a521cdfff652836e5014dc272c305

Clean up links and docs

Move some developer information for running tests out of the README to
the documentation.

Change the home page link to point to the launchpad page.

Add a link to the bug tracker to the README.

Change-Id: I29bdb071eb64bccc561844c130a256b8f998da5f
Closes-Bug: #1318548