Add LICENSE file to project to cover any files that don't otherwise currently contain a license header.
Add LICENSE file to project to cover any files that don't otherwise currently contain a license header.

Change-Id: I33b68bdc1475a96757aaa2cd633a571fe625216e
Reviewed-on: http://gerrit.dmdirc.com/2524
Reviewed-by: Chris Smith <711c73f64afdce07b7e38039a96d2224209e9a6c@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

ShaneMcC/DMDirc-Client,DMDirc/DMDirc,DMDirc/DMDirc,ShaneMcC/DMDirc-Client,greboid/DMDirc,greboid/DMDirc,ShaneMcC/DMDirc-Client,DMDirc/DMDirc,greboid/DMDirc,greboid/DMDirc,ShaneMcC/DMDirc-Client,csmith/DMDirc,csmith/DMDirc,csmith/DMDirc,DMDirc/DMDirc,csmith/DMDirc