Add default attributes to the dns-server role.
Add depends metadata for the bind9 recipe.
Make sure we have a dependency on the resolver cookbook.
Chef 11 conversions for DNS server recipe.
Merge pull request #38 from VictorLowther/pull-req-master-b29260d1a62efa73a3928f732a6a1e5316498543

Merged by devtool for cloudedge