Add gradle wrapper

Change-Id: I74c0aa82d9a3651a88f216ea029c4ba8a7a71481
Reviewed-on: http://gerrit.dmdirc.com/3895
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager
Add a qualifier for ColourManager.

Change-Id: I81484e5df7b5dfeb7067ba211c11f2df198ac43c
Depends-On: Icf9c64b84ddc129fe54765a4a3cac475c58cf1de
Reviewed-on: http://gerrit.dmdirc.com/3892
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>