Added NoteBlock.play, Dispenser.dispense

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/block/NoteBlock.java

@@ -19,4 +19,12 @@ public interface NoteBlock extends BlockState {
      * @param note
      */
     public void setNote(byte note);
+    /**
+     * Attempts to play the note at block<br />
+     * <br />
+     * If the block is no longer a note block, this will return false
+     *
+     * @return true if successful, otherwise false
+     */
+    public boolean play();
 }