Add go home as keyboard binding

         cookies.set('rhythm', 'on')
       }
     } else if (ev.key == 'f') showKeyboardFollowLinks() // f   show "follow links"
+    else if (ev.key == 'm') goHome()                    // m   go home
     else if (ev.key == '?') goHelp()                    // ?   show help
     else if (ev.key == 'h') goBack()                    // h   go back
     else if (ev.key == 'j') scrollDown()                // j   scroll down 3 EMs