Update the License header to match the new mod name

LOD -> Distance Horizons

src/main/java/com/seibel/lod/handlers/ChunkLoader.java

@@ -1,17 +1,40 @@
+/*
+ *    This file is part of the Distant Horizon mod (formerly the LOD Mod),
+ *    licensed under the GNU GPL v3 License.
+ *
+ *    Copyright (C) 2020  James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.seibel.lod.handlers;
 
+import java.io.File;
+
 import com.seibel.lod.util.LodUtil;
 import com.seibel.lod.wrappers.MinecraftWrapper;
+
 import net.minecraft.client.world.ClientWorld;
-import net.minecraft.nbt.CompoundNBT;
-import net.minecraft.util.datafix.DataFixesManager;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.chunk.IChunk;
 import net.minecraft.world.chunk.storage.ChunkSerializer;
 import net.minecraft.world.server.ServerWorld;
 
-import java.io.File;
-
+/**
+ * 
+ * @author ??
+ * @version ??
+ */
 public class ChunkLoader
 {
 	public static IChunk getChunkFromFile(ChunkPos pos){