Implement ansible role to deploy designate
and dependencies. The backend used is bind9.

Co-Authored-By: zhubingbing <zhubingbing10@gmail.com>
Co-Authored-By: Eduardo Gonzalez <dabarren@gmail.com>

Depends-On: 6d0dc3e0f931c7c50b64a4659900cc50b0d860a2
Implements: blueprint ansible-designate
Change-Id: I34d8126e0cd8d71d5ced9b62f3776cc354fbb549