Update and rename README.txt to README.md
Delete dns.yml
Utilize new role parent deployment logic.
Update resolver recipe to kill resolvconf.
Merge pull request #70 from VictorLowther/pull-req-master-f28b0c0c0dce9879a7994eaa07e17b3068198e63

https://github.com/crowbar/barclamp-dns/pull/70

Merged by devtool for cloudedge