Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
b75eeca0 Boost light task priority to ensure it doesnt hold up chunk loads
3d2bc848 Ensure VillagerTrades doesn't load async - fixes #3495
e470f1ef Add more information to Timing Reports
f4a47db6 Improve Thread Pool usage to allow single threads for single cpu servers
a4fe910f Fix sounds when using worldedit regen command
70ad51a8 Updated Upstream (Bukkit/CraftBukkit)
d7cfa4fa Improve legacy format serialization more

patches/api/0020-Expose-getItemStack-for-Trident.patch

@@ -0,0 +1,32 @@
+From b036bfcd8aa79e0b040aa83b0cc1983e3afe679f Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Fri, 18 Oct 2019 22:19:31 -0500
+Subject: [PATCH] Expose getItemStack for Trident
+
+---
+ src/main/java/org/bukkit/entity/Trident.java | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/src/main/java/org/bukkit/entity/Trident.java b/src/main/java/org/bukkit/entity/Trident.java
+index 3379ef9ba..27f19074e 100644
+--- a/src/main/java/org/bukkit/entity/Trident.java
++++ b/src/main/java/org/bukkit/entity/Trident.java
+@@ -3,4 +3,14 @@ package org.bukkit.entity;
+ /**
+  * Represents a thrown trident.
+  */
+-public interface Trident extends AbstractArrow { }
++public interface Trident extends AbstractArrow {
++    // Purpur start
++    /**
++      * Gets the trident itemstack that was used to spawn this trident entity
++      *
++      * @return Thrown Trident ItemStack
++      */
++    @org.jetbrains.annotations.NotNull
++    public org.bukkit.inventory.ItemStack getItemStack();
++    // Purpur end
++}
+-- 
+2.24.0
+