Added effect night_clock

src/effects.cpp

@@ -59,6 +59,7 @@ Effect* select_effect(uint32_t code) {
 		case 26: case 0xADB18CC5 /* sines                  */ : return new SinesEffect();
 		case 27: case 0x0407881E /* blur2d                 */ : return new Blur2DEffect();
 		case 28: case 0x935CFA7C /* marquee                */ : return new MarqueeEffect();
+		case 29: case 0xE27D739E /* night_clock            */ : return new NightClockEffect();
 		default                                      : return NULL;
 	};
 }