Revise PaperSpigot fixes to fit KC

src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -421,7 +421,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         }
         // Spigot end
         entity.setPositionAndRotation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
-	entity.world.entityJoinedWorld(entity, false);
+	//entity.worldObj.entityJoinedWorld(entity, false); // PaperSpigot - Prevent Server from thinking a player teleporting within the world has joined the world
         // entity.setLocation() throws no event, and so cannot be cancelled
         return true;
     }

src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaSkull.java

@@ -13,7 +13,7 @@ import org.bukkit.craftbukkit.inventory.CraftMetaItem.SerializableMeta;
 import org.bukkit.inventory.meta.SkullMeta;
 
 // PaperSpigot start
-import net.minecraft.server.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.server.MinecraftServer;
 // PaperSpigot end
 
@@ -103,8 +103,14 @@ class CraftMetaSkull extends CraftMetaItem implements SkullMeta {
             profile = null;
         } else {
             // PaperSpigot - Check usercache if the player is online
-	    EntityPlayer player = MinecraftServer.getServer().getPlayerList().getPlayer(name);
-            profile = player != null ? player.getProfile() : new GameProfile(null, name);
+	    EntityPlayer player = null;
+	    for(Object o : MinecraftServer.getServer().getConfigurationManager().playerEntityList)
+	    {
+		if(!(o instanceof EntityPlayer)) { continue; }
+                EntityPlayer ep = (EntityPlayer)o;
+		if(ep.getCommandSenderName().equals(name)) { player = ep; break; }
+            }
+            profile = player != null ? player.getGameProfile() : new GameProfile(null, name);
 	    // PaperSpigot end
         }