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.

Change-Id: Ib15e1ec964dfc126ad28c7b8599c5696b9061535
Reviewed-on: http://gerrit.dmdirc.com/3918
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Ia38d3a8f19f12e21bc2d933c4411cc5e886e74ab
Reviewed-on: http://gerrit.dmdirc.com/3599
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>