Fix license headers.
Fix license headers.

ppy/osu,peppy/osu,EVAST9919/osu,tacchinotacchi/osu,naoey/osu,Frontear/osuKyzer,DrabWeb/osu,NeoAdonis/osu,DrabWeb/osu,ppy/osu,smoogipoo/osu,UselessToucan/osu,2yangk23/osu,NeoAdonis/osu,smoogipoo/osu,UselessToucan/osu,peppy/osu,ppy/osu,EVAST9919/osu,UselessToucan/osu,naoey/osu,Damnae/osu,2yangk23/osu,Nabile-Rahmani/osu,ZLima12/osu,smoogipooo/osu,RedNesto/osu,DrabWeb/osu,johnneijzen/osu,ZLima12/osu,Drezi126/osu,johnneijzen/osu,naoey/osu,nyaamara/osu,osu-RP/osu-RP,peppy/osu,NeoAdonis/osu,peppy/osu-new,smoogipoo/osu