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/FossilFeature.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "Feature.h"
+
+class FossilFeature : public Feature
+{
+public:
+	bool place(Level *level, Random *random, int x, int y, int z) override;
+};