IN a small turreted room in Wenlock Priory sits a trunk of clothes that belonged to Nick Drake. Gabrielle Drake has o owned the prior’s 16th-century private apartments since the 1980s, where she has meticulously and painstakingly restored one room after another. One room, however, has been turned over to her late brother, Nick. Aside from the trunk of his clothes, the plain details of a life are laid bare: boxes with letters, school reports, university essays, bank statements, tax returns, his recording contracts,