fix the fibonacci_server example instructions
fix the fibonacci_server example instructions

BennyRe/roslibjs,kbendick/roslibjs,jeansebbaklouti/roslibjs,harmishhk/roslibjs,chrisl8/roslibjs,harmishhk/roslibjs,harmishhk/roslibjs,BennyRe/roslibjs,DLu/roslibjs,kbendick/roslibjs,jeansebbaklouti/roslibjs,DLu/roslibjs,kbendick/roslibjs,eadlam/roslibjs,eadlam/roslibjs,chrisl8/roslibjs,DLu/roslibjs