TU43 Structures, bug fixes & minor changes

- Elytra flight, damage, kinetic energy, pretty much any bug someone reported, paper doll, etc.
- Fossil & Igloo generation
- Texture interpolation
- Iggy mouse fix for world settings
- Neo branding on main screen
- Release build txt logger
- Debug mode spectator
- Several server fixes
- Flowerpot fixes
- Several more changes made in TU43

Minecraft.World/PlainsBiome.cpp

@@ -80,5 +80,12 @@ void PlainsBiome::decorate(Level* level, Random* rand, int xo, int zo)
                 DOUBLE_PLANT_GENERATOR->place(level, rand, j1, l1, k1);
             }
         }
-    Biome::decorate(level, rand, xo, zo); 
+    if (rand->nextInt(10) == 0)
+        decorator->treeCount = 1;
+    else
+        decorator->treeCount = 0;
+
+    Biome::decorate(level, rand, xo, zo);
+
+    decorator->treeCount = -999;
 }