Add Minimal FastUtil int/long collections.

Importing the full library would double the jar size... its way too large.
So lets just import the basic int/long based collections to then use
to improve performance on these kind of collections.

Spigot-API-Patches/0009-Add-PlayerLocaleChangeEvent.patch

@@ -0,0 +1,62 @@
+From 5bbfd17e10b92832b0459da91bb1044c3eb38f17 Mon Sep 17 00:00:00 2001
+From: Isaac Moore <rmsy@me.com>
+Date: Mon, 29 Feb 2016 18:02:25 -0600
+Subject: [PATCH] Add PlayerLocaleChangeEvent
+
+
+diff --git a/src/main/java/com/destroystokyo/paper/event/player/PlayerLocaleChangeEvent.java b/src/main/java/com/destroystokyo/paper/event/player/PlayerLocaleChangeEvent.java
+new file mode 100644
+index 0000000..17afc8c
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/event/player/PlayerLocaleChangeEvent.java
+@@ -0,0 +1,47 @@
++package com.destroystokyo.paper.event.player;
++
++import org.bukkit.entity.Player;
++import org.bukkit.event.HandlerList;
++import org.bukkit.event.player.PlayerEvent;
++
++/**
++ * Called when the locale of the player is changed.
++ */
++public class PlayerLocaleChangeEvent extends PlayerEvent {
++    private static final HandlerList handlers = new HandlerList();
++    private final String oldLocale;
++    private final String newLocale;
++
++    public PlayerLocaleChangeEvent(final Player player, final String oldLocale, final String newLocale) {
++        super(player);
++        this.oldLocale = oldLocale;
++        this.newLocale = newLocale;
++    }
++
++    /**
++     * Gets the locale the player switched from.
++     *
++     * @return player's old locale
++     */
++    public String getOldLocale() {
++        return oldLocale;
++    }
++
++    /**
++     * Gets the locale the player is changed to.
++     *
++     * @return player's new locale
++     */
++    public String getNewLocale() {
++        return newLocale;
++    }
++
++    @Override
++    public HandlerList getHandlers() {
++        return handlers;
++    }
++
++    public static HandlerList getHandlerList() {
++        return handlers;
++    }
++}
+-- 
+2.8.0
+