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: Id3cfa404a56528542120f79c969d992a5c183aba
Reviewed-on: http://gerrit.dmdirc.com/3771
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I2baa7e986ded54930093768238ed24cab8cf4bf7
Depends-On: I2cf35d5859c85c3609002f126241536fda5d588e
Reviewed-on: http://gerrit.dmdirc.com/3769
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Tidy up some Server code based on IDEA inspections.

Change-Id: Icdcdbecb6500fc08f24a5f8d15b36078c14e24d4
Reviewed-on: http://gerrit.dmdirc.com/3692
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>