Code review comment for lp:~cjohnston/uci-engine/add-graphite-txstatsd

Also, please modify charm-helpers¹ to allow specifying the ppa location for ansible. Webops will have this installed already via basenode from the -cat archive, but we'll want a means to pin the version of ansible that we use. This is currently not possible with it blindly installed from ppa:rquillo/ansible.

Thanks

¹ http://bazaar.launchpad.net/~charm-helpers/charm-helpers/devel/view/head:/charmhelpers/contrib/ansible/__init__.py#L91