Force project name to 'dmdirc'. Think this was the cause of all
the nonsense.

Also add plugins in the root project, so gradle knows about all
of them (for tests etc).

Change-Id: Ic828cabe97040d2ba6cae9336392525ee6bad47c
Reviewed-on: http://gerrit.dmdirc.com/3934
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I0029e3333815461acbbb4917e1c88a05ee6f5d73
Reviewed-on: http://gerrit.dmdirc.com/3929
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

- Stop it thinking "modules" is a valid module.
- Remove some paths that don't exist.
- Apply the auto-suggested gradle tweaks.
- Let it duplicate the VCS config lots, because it's quite insistent.

Change-Id: Ia8eb45562293fa6520e590e2bb1af3df470ce63d
Reviewed-on: http://gerrit.dmdirc.com/3914
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I0d430e484e16cc671e24620db88c19008d201a1c
Reviewed-on: http://gerrit.dmdirc.com/3861
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: Ide6c841094d2f99d07714a45ca902f129d515859
Reviewed-on: http://gerrit.dmdirc.com/3857
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>