From DCist contributor Catherine Andrews: What do you have going this weekend? Here’s what caught our eye. FRIDAY: The director’s cut of Donnie Darko is opening at Visions Cinema tonight. Check out yesterday’s Live Online chat with director Richard Kelly. Neccessary reading: Salon’s “Everything you were afraid to ask about Donnie Darko” Hurrah for free stuff! 9:30 Club is having a free concert, featuring Taking Back Sunday, The Honorary Title and Stars Hide Fire. 21+….