- BoulderStone: reenginieering from PhotoStone to GridObject/lightDirChanged(),
Boulder now reacts on each additional light
- TimerStone: made swappable - 1.01 did produce hangups, last revision did
switch off timers on swapping
- fix basic Timer class hangups - intervals < 0.01 seconds on periodic
alarms now cause an ASSERT
- basic Timer class: return remaining time on alarm removal
- reengineering it-umbrella to it_umbrella with complete light handling
- reengineering it-extralife to it_extralife with complete light handling