Travis CI: specify `sudo: false`.
Travis CI: specify `sudo: false`.

rafaelducati/uncss,charaplessa/uncss,TheNotary/uncss,pingjiang/uncss,joecritch/uncss,giakki/uncss,sdgdsffdsfff/uncss,SteveGriffith/uncss,charaplessa/uncss,rafaelducati/uncss,TheNotary/uncss,Renji/uncss,sdgdsffdsfff/uncss,pingjiang/uncss,Renji/uncss,joecritch/uncss,giakki/uncss,cantyjeffrey/uncss,SteveGriffith/uncss,cantyjeffrey/uncss