Add tile data coloring (aka colored wool support), combine rendering

of default tiles and their zoomed counterparts (saves reloading the
default tile, and keeps the scale levels of the map consistent during
a fullrender and otherwise)

src/main/java/org/dynmap/flat/FlatMap.java

@@ -81,7 +81,7 @@ public class FlatMap extends MapType {
                 int mz = y + t.y * t.size;
                 int my = w.getHighestBlockYAt(mx, mz) - 1;
                 int blockType = w.getBlockTypeIdAt(mx, my, mz);
-                Color[] colors = colorScheme.colors.get(blockType);
+                Color[] colors = colorScheme.colors[blockType];
                 if (colors == null)
                     continue;
                 Color c = colors[0];