bottom of tray; add focus-related params to draw*Finished routines
(and simplify to one) so platforms don't have to save from Begin
routines (and stop palm doing that); check version of saved game, and
handle case where older binary tries to open newer version; redraw
Palm tray buttons after focus change to stop focus-rect ghosting; fix
annoying overlap in saved games dialog; palm version goes to a3.
scoreboard and tray on palm; make center drill into the focussed object and
spacebar come back up then move the focus among them. Integrate with other
focussable objects on main form. Go from separate drawCursor routines to
same for all three, with cursor only visible when focus is drilled down.
On curses, add a hilite rect routine that can be called after text is laid
down, and use for cursors.
deal with the output by removing params where possible and elsewhere
by adding XP_UNUSED macro wrapping __attribute__((unused)). There
should be NO change in function in spite of the large number of files.
