Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
df0d7b0d Update upstream CB
6ea3c2cf [CI-SKIP] Rebuild patches
d7bed4cb Heavily optimise random block ticking (#2914)
b66d9ff8 Update upstream CB
ba71c5d6 Stop stripping private use block Unicode from signs
28d9dcfc Entity Jump API (#1587)
9976a768 Fix PlayerNaturallySpawnCreaturesEvent boolean inversion
054e20da Clean up imports on ThrownEggHatchEvent
a8984ccb Add ThrownEggHatchEvent (#1982)
9f24d495 Allow nerfed blazes, endermen to take water damage (#2847)

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

@@ -0,0 +1,32 @@
+From a3f61fb19e894e0cfa62861f71d831da596b7e56 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 3379ef9b..27f19074 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
+