New integration tests for postgresql
Revise patch from earlier using even more variable sources for HostVars

Superceeds e61e8a3

Fixes #9684
Ansible is available in the main Gentoo repository

Signed-off-by: Justin Lecher <jlec@gentoo.org>
Merge pull request #9690 from jlec/portage

Ansible is available in the main Gentoo repository
Now that we have all of the postgres db being blown away the package manager is initializing a new db.

We don't need to do it manually anymore