Updated Upstream (Bukkit/CraftBukkit/Spigot)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
f52c70ab Fix incorrect nullability in MultipleFacing
6af4c0b2 SPIGOT-5311: Add API to get/set item associated with throwable projectiles
97aeae56 Add set/isAware to disable Vanilla AI components of a Mob

CraftBukkit Changes:
fba9f487 Improve legacy conversion of some materials that changed post flattening
b1ba8749 Move Bukkit.Aware loading/saving to correct location
f7cdb53c SPIGOT-5311: Add API to get/set item associated with throwable projectiles
689f429c #634: Cross platform patch scripts
ab85433d Add set/isAware to disable Vanilla AI components of a Mob

Spigot Changes:
8faa8b45 Rebuild patches

Spigot-API-Patches/0191-Entity-Jump-API.patch

@@ -1,4 +1,4 @@
-From 282dc16c61aeacfab2e8ab1f38b75a6975f7701f Mon Sep 17 00:00:00 2001
+From c3a9c52e09a66c5d9afc3f9a48959a7aad908d40 Mon Sep 17 00:00:00 2001
 From: BillyGalbreath <Blake.Galbreath@GMail.com>
 Date: Sat, 8 Feb 2020 23:26:18 -0600
 Subject: [PATCH] Entity Jump API
@@ -57,10 +57,10 @@ index 00000000..f0067c2e
 +    }
 +}
 diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
-index 240f276c..77f4246d 100644
+index 9bc026ab..e69702e6 100644
 --- a/src/main/java/org/bukkit/entity/LivingEntity.java
 +++ b/src/main/java/org/bukkit/entity/LivingEntity.java
-@@ -680,5 +680,25 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
+@@ -684,5 +684,25 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
       * @return Whether or not this entity is using or charging an attack (Bow pulled back, drinking potion, eating food)
       */
      boolean isHandRaised();