A name like Sløtface tends to be a bit of a giveaway that you might be trying too hard. If you want a title like that, you best have the chops to move beyond it. Fortunately for the Norwegian four-piece, they’ve certainly got excellent cuts in their repertoire. Having made a splash last year with their previous EP, Empire Records, the pop-punksters have set the stage for their,  surprisingly solid, debut, Try Not To Freak Out. Taking all the best bits from the ilk of Green Day and Blink-182, the album works because it is unabashedly youthful. This is a…