I think distribution packages should bundle upstream source without alteration to maximize flexibility for authors of deployment tools (or simple instructions) that choose to use packages. In other words, distribution packages should include few if any decisions on how to deploy services. Instead, leave those decisions to authors of deployment tools including organizations that produce distribution packages. For example, decisions on how to deploy OpenStack using RDO packages should reside in products like Packstack and RHEL-OSP. In the meantime, content in /usr/share/$service directories impacts the following portions in the installation guide:
7) http://docs.openstack.org/draft/install-guide-rdo/heat.html - The heat-dist.conf file contains defunct options in the [keystone_authtoken] section, contains a defunct database connection option (belongs in [database]), and enables a defunct message queue (Qpid). Also, the *-paste.ini file should reside in the /etc/heat directory.
I haven't looked at the ceilometer packages recently, but I suspect they involve similar issues.