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/RandomLevelSource.cpp

@@ -782,6 +782,24 @@ void RandomLevelSource::postProcess(ChunkSource *parent, int xt, int zt)
 	}
 	PIXEndNamedEvent();
 
+	if (pprandom->nextInt(64) == 0)
+	{
+		int fx = xo + pprandom->nextInt(16) + 8;
+		int fy = 40 + pprandom->nextInt(10);
+		int fz = zo + pprandom->nextInt(16) + 8;
+		FossilFeature fossil;
+		fossil.place(level, pprandom, fx, fy, fz);
+	}
+
+	if (pprandom->nextInt(48) == 0)
+	{
+		int ix = xo + pprandom->nextInt(16) + 8;
+		int iy = level->maxBuildHeight;
+		int iz = zo + pprandom->nextInt(16) + 8;
+		IglooFeature igloo;
+		igloo.place(level, pprandom, ix, iy, iz);
+	}
+
 	PIXBeginNamedEvent(0,"Biome decorate");
 	biome->decorate(level, pprandom, xo, zo);
 	PIXEndNamedEvent();