Premium smartphones have expensive screens, and the sight of a cracked or shattered screen is not uncommon. For those users unfortunate enough to drop their device and break the screen, an expensive repair bill will almost certainly be incurred unless their warranty saves them. But modular designs like the new Fairphone 2 (and, of course, Google’s Project Ara) aim to avoid that, as well as offer a more affordable upgrade path than buying a whole new handset. Dutch company Fairphone this week released the first images of the second generation of its namesake modular smartphone, marking its European launch. And while Google’s support may make modular designs all the rage soon, Fairphone has another differentiator – it started out with…