brought back the diamond prefix on the tabs for when files arent saved; changed the default choince to star for linux
brought back the diamond prefix on the tabs for when files arent saved; changed the default choince to star for linux

svn: r18295

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket