Segment API

- moved all drawing logic to segment
- moved transitions to segment
Conditional 2D compile.
Rearranged effect IDs.
Implemented dynamic effect arrays.

wled00/colors.cpp

@@ -51,7 +51,7 @@ uint32_t color_add(uint32_t c1, uint32_t c2)
 
 void setRandomColor(byte* rgb)
 {
-  lastRandomIndex = strip.get_random_wheel_index(lastRandomIndex);
+  lastRandomIndex = strip.getMainSegment().get_random_wheel_index(lastRandomIndex);
   colorHStoRGB(lastRandomIndex*256,255,rgb);
 }