This shouldn't be exposed. Internal classes switch to using
the full class rather than the interface, so they can carry
on accessing the removed methods.

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: I4fa54ebe8f4ff93c8fc33504af66338eda01d0b8
Depends-On: I752f5bebe42514f1dc21e1b77e1ee5a649f324f5
Depends-On: I9463e66dc39881bcc69b64b8900df1010683b0bc
Depends-On: I752f5bebe42514f1dc21e1b77e1ee5a649f324f5
Reviewed-on: http://gerrit.dmdirc.com/3503
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I7e8052839daa79fa113b89fd0b8c1c892a605b73
Reviewed-on: http://gerrit.dmdirc.com/3122
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I2d37f4e0be3d4c8f0a867ad9a0a516dc3193a2a5
Reviewed-on: http://gerrit.dmdirc.com/3018
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: Id0904867640e49e12fca5c1c7c5b9e72c78e3a1b
Reviewed-on: http://gerrit.dmdirc.com/2976
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I8d791451ead4b37f9181a9741e127cbc8b514d46
Depends-On: I94416680dfa9f0ee4896f5a6518889c6eb891909
Reviewed-on: http://gerrit.dmdirc.com/2754
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: If8ead3ae7d8c4997d6735b9ffa871f699bceed27
Reviewed-on: http://gerrit.dmdirc.com/2752
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>