Revert "Project modernization (#630)"

This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.

This reverts commit a9be52c41a.

Minecraft.World/DoubleTag.h

@@ -29,7 +29,7 @@ public:
 	{
 		if (Tag::equals(obj))
 		{
-			DoubleTag *o = static_cast<DoubleTag *>(obj);
+			DoubleTag *o = (DoubleTag *) obj;
 			return data == o->data;
 		}
 		return false;