* src/grrobot.c (grr_game_read_notices): Call new board_view timer

        functions on the appropriate state transitions.

        * src/grr_board_view.c (grr_board_view_expose): Add code to draw a
        cute alpha-blended timer which shows off the use of cairo_arc.
        (grr_board_view_refresh_timer):
        (grr_board_view_decrement_timer):
        (grr_board_view_start_timer):
        (grr_board_view_stop_timer):
        (grr_board_view_reset_timer): New functions for managing the timer.