Gravitas Ventures has released a trailer for writer-director Kris Rey's big-hearted indie comedy I Used to Go Here, which was produced by Andy Samberg, Akiva Schaffer and Jorma Taccone of The Lonely Island. Community star Gillian Jacobs heads back to college in this film as Kate, a 35-year-old writer whose former professor -- and old crush -- invites her to speak at her alma mater following the lackluster launch of her debut novel. With her book tour cancelled and her ego deflated, Kate hopes that returning to her old college as a published author will give her …