Style fixes.

Change-Id: Ib37854e542193ee859cbe30e953e6cb48a1f110e
Reviewed-on: http://gerrit.dmdirc.com/3310
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Move initUISettings into plugin load

Change-Id: I97c35e939f99fd6df6dc3da51bcda8c1d5579143
Reviewed-on: http://gerrit.dmdirc.com/3309
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Move preferences stuff into another class (bodgy).

Change-Id: I407379d182ec1eb3f7278462e5bbd1786e8d55c6
Reviewed-on: http://gerrit.dmdirc.com/3311
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>