Put the autopath stuff in a separate sub package. Tests are still
included in the main kubernetes directory.
Next steps (after this is merged), is pulling the autopath handling
into the subpackage and fixing the tests.
* Add unit tests & cnames
* more progress
* fix
* next mw dependent unit tests
* add tests for OnNXDOMAIN
* Add AAAA and ndots unit tests; fix request.NewWithQuestion
* Correct default value in README
* add CNAMEs to readme
* review
* fix autopath examples
* fix and test CNAME response order