Since designate backend bind9 implemented and
designate has new topology - need to make docs
up-to-date.
Change-Id: I5bfa714fae0e596f8eb8ee65c11cfb6b1cb7f53e
Depends-On: I79472fc80c1f48daaf64300f8a71ee50baa6ebd5
Add docs about what is designate and how it's configured
and enabled in fuel ccp.
Change-Id: I9f27aae2ed5fdb36a21bc02f450e1f0a919e1f9e
Depends-On: I0332dc2e1e8bfaf7802f339ae94928c6c7de9979