Add material data classes for cake, jukeboxes, and diodes. Remove some unneeded ones.

By: Celtic Minstrel <celtic.minstrel.ca@>

paper-api/src/main/java/org/bukkit/material/Jukebox.java

@@ -0,0 +1,58 @@
+package org.bukkit.material;
+
+import org.bukkit.Material;
+
+public class Jukebox extends MaterialData {
+
+    public Jukebox(int type) {
+        super(type);
+    }
+
+    public Jukebox(Material type) {
+        super(type);
+    }
+
+    public Jukebox(int type, byte data) {
+        super(type, data);
+    }
+
+    public Jukebox(Material type, byte data) {
+        super(type, data);
+    }
+
+    /**
+     * Gets the type of record currently playing
+     * 
+     * @return The type of record (Material.GOLD_RECORD or Material.GREEN_RECORD), or null for none.
+     */
+    public Material getPlaying() {
+        switch ((int) getData()) {
+        default:
+        case 0x0:
+            return null;
+        case 0x1:
+            return Material.GOLD_RECORD;
+        case 0x2:
+            return Material.GREEN_RECORD;
+        }
+    }
+
+    /**
+     * Sets the type of record currently playing
+     * 
+     * @param rec The type of record (Material.GOLD_RECORD or Material.GREEN_RECORD), or null for none.
+     */
+    public void setPlaying(Material rec) {
+        if (rec == null) setData((byte) 0x0);
+        else switch (rec) {
+        case GOLD_RECORD:
+            setData((byte) 0x1);
+            break;
+        case GREEN_RECORD:
+            setData((byte) 0x2);
+            break;
+        default:
+            setData((byte) 0x0);
+        }
+    }
+}