By Jenny Liu How to find a quiet spot amid a buzzing campus. by Josie Zevin Boston University, divided by the bustling street of Commonwealth Avenue, is a campus that never sleeps. Between the constant motion of students and the exciting atmosphere of city life,  finding the perfect study spot can feel like a quest in itself.  Amid all that excitement, it can be difficult to find a peaceful corner to “lock-in” on your studies. Fortunately for BU students, there are tons of st