This allows clients to listen for ChannelEvents and filter on
channel names, rather than having to handle every single
individual event type.

Related to DMDirc/DMDirc#798 (Parser doesn't shutdown eventbus threads properly)

If the user doesn't specify a port, the parser should decide what
to do itself. A single default port isn't useful to users of the
parser.

Stop swimming against the tide and accept what most of the rest of
the world does.

While it adds an annoying depth to the actual source code, it makes
the root directory nicer (no more 'test-res' dirs), means we don't
have to override the gradle config, and makes it nicer to work in
IDEA 2016.1.