Add extra options hash for optional DNS options.
Explicitly sort by key name
Manage zonedir from server::file, for parent directory
Merge pull request #22 from jmswick/extra_options

Add extra options hash for optional DNS options.
Add support for extra_options
Add $hostname, $server_id, disable unneeded zones when not recursive
Release 0.5.0
add suport Freebsd named910
Merge pull request #26 from fessoga5/master

add suport Freebsd named910
Release 0.5.1
* we dont want rfc1918 zone or root hints unless we are recursive
* ensure that the named dir exists
* add bind group
* change some defaults and only add dnssec resolver functions if we
* recurse