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

Change-Id: I922ce332d6fd0623041504b564bb3a3abc4856fd
Reviewed-on: http://gerrit.dmdirc.com/2527
Reviewed-by: Chris Smith <711c73f64afdce07b7e38039a96d2224209e9a6c@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

DMDirc/Util