By Ryan Barry NEFJ Correspondent BOSTON — Bowl season typically warrants travel plans for schools that sometimes take them to the farthest reaches of the United States. For the Boston College Eagles, a 45-minute train ride on the Green Line was about all the travel time it took to take down the No. 24 Southern Methodist Mustangs, 23-14, at Fenway Park on Thursday afternoon. Fans who braved the whipping rain……