Make it all work again.

Previous iterations and even a release were all broken. The module works again,
sorry for the interlude.

- Giving up on params and moving to module_data (WIP)
- Change the Package and Service references to the static 'bind' name
- Add a meager amount of test coverage

data/common.yaml

@@ -0,0 +1,8 @@
+---
+bind::params::supported: false
+
+bind::forwarders: ''
+bind::dnssec: true
+bind::version: ''
+
+bind::updater::keydir: '/etc/nsupdate-keys'

data/hiera.yaml

@@ -0,0 +1,6 @@
+# ex: si ts=2 sw=2 et
+:hierarchy:
+  - osfamily/%{::osfamily}/%{::operatingsystem}/%{lsbdistrelease}
+  - osfamily/%{::osfamily}/%{::operatingsystem}
+  - osfamily/%{::osfamily}
+  - common

data/osfamily/Debian.yaml

@@ -0,0 +1,13 @@
+---
+bind::params::supported: true
+bind::params::bind_user: 'bind'
+bind::params::bind_group: 'bind'
+bind::params::bind_package: 'bind9'
+bind::params::bind_service: 'bind9'
+bind::params::nsupdate_package: 'dnsutils'
+
+bind::confdir: '/etc/bind'
+bind::cachedir: '/var/cache/bind'
+bind::rndc: true
+
+bind::updater::keydir: '/etc/bind/keys'