Update scalatest base to use the new jetty builder.
Update scalatest base to use the new netty builder.
Support for file resources within a Jetty context.
Document unfiltered.jetty.Server and ditch the `attach` name.
(We have enough terminology as it is.)
Merge branch 'server_builder_refactor' of github.com:unfiltered/unfiltered into server_builder_refactor