Rewrite drive model to support custom cell models (#4459)

* Rewrite driver model to support custom cell models

Each cell can now register a mapping Item -> ResourceLocation for a
custom cell model. Fallback will always be a 1k item cell.

src/main/java/appeng/block/storage/DriveSlotCellType.java

@@ -1,45 +0,0 @@
-/*
- * This file is part of Applied Energistics 2.
- * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
- *
- * Applied Energistics 2 is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Applied Energistics 2 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
- */
-
-package appeng.block.storage;
-
-import net.minecraft.util.IStringSerializable;
-
-/**
- * Describes the type of cell present in a slot.
- */
-public enum DriveSlotCellType implements IStringSerializable {
-
-    EMPTY("empty"),
-
-    ITEM("item"),
-
-    FLUID("fluid");
-
-    private final String name;
-
-    DriveSlotCellType(String name) {
-        this.name = name;
-    }
-
-    @Override
-    public String getName() {
-        return this.name;
-    }
-
-}