Unwrap Event Exceptions

This was a useless exception wrapper that ends up making
stack traces harder to read as well as the JVM cutting off
the important parts

Nothing catches this exception, so its safe to just get rid
of it and let the REAL exception bubble down

Spigot-API-Patches/0045-Fireworks-API-s.patch

@@ -0,0 +1,38 @@
+From 03c53cfd5436f75a613567236c4c97f9a0859497 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Wed, 28 Dec 2016 01:18:55 -0500
+Subject: [PATCH] Fireworks API's
+
+Get the Entity being boosted
+Get the firework launcher
+
+diff --git a/src/main/java/org/bukkit/entity/Firework.java b/src/main/java/org/bukkit/entity/Firework.java
+index b8a8c075..8c087bb7 100644
+--- a/src/main/java/org/bukkit/entity/Firework.java
++++ b/src/main/java/org/bukkit/entity/Firework.java
+@@ -2,6 +2,8 @@ package org.bukkit.entity;
+ 
+ import org.bukkit.inventory.meta.FireworkMeta;
+ 
++import java.util.UUID;
++
+ public interface Firework extends Entity {
+ 
+     /**
+@@ -23,4 +25,13 @@ public interface Firework extends Entity {
+      * remaining fuse.
+      */
+     void detonate();
++
++    // Paper start
++    public UUID getSpawningEntity();
++    /**
++     * If this firework is boosting an entity, return it
++     * @return The entity being boosted
++     */
++    public LivingEntity getBoostedEntity();
++    // Paper end
+ }
+-- 
+2.20.1
+