It’s official: Melchior, Wendla and all of our friends are coming back to Broadway this fall! The new Deaf West Theatre production of Spring Awakening will begin performances at the Brooks Atkinson Theatre on September 8, helmed by Broadway vet Michael Arden. Although the new mounting of Duncan Sheik and Steven Sater’s Tony-winning musical definitely won’t be a carbon copy of the original 2006 produ…