problem) where first to connect in room specifies a timer and second
does not. Second eventually gets message saying there's a timer but
has not layed out space in the board and java freaks out when later
asked to make a 0-width image. This fix leaves the device not drawing
the timer until the game is reopened. The better fix would trigger a
re-layout as soon as the change is made.
scroll-related fields into a struct so vertical and horizontal can be
handled by the same code; add to board_zoom out params indicating
whether further zooming is possible.
their games being drawn (no BoardActivity around) break the two
android-only callbacks out of UtilCtxt and into a new JNIUtils
interface that then requires new handing in C.