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:
4543fb40 SPIGOT-4943: Zombie villager conversion player API.

CraftBukkit Changes:
585b2ebd Tweak thresholds for can't keep up message
91ada5c2 SPIGOT-4956: EntityTameEvent not triggered when taming a Cat
9bda4134 SPIGOT-4943: Zombie villager conversion player API.
5a027071 SPIGOT-4947: Allow setting the content on a lectern
09d00e9f SPIGOT-4938: Call EntityPickupItemEvent for dolphins
a278e445 SPIGOT-4948: Lectern.getInventory should return a LecternInventory

Spigot Changes:
4f661b22 Rebuild patches

Spigot-Server-Patches/Add-configurable-despawn-distances-for-living-entiti.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add configurable despawn distances for living entities
 
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index 341038fc4d..3e1f4be10f 100644
+index 341038fc4..3e1f4be10 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
 @@ -0,0 +0,0 @@ public class PaperWorldConfig {
@@ -30,7 +30,7 @@ index 341038fc4d..3e1f4be10f 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
-index d49047abc1..265e734af2 100644
+index 946e89c49..e9203479a 100644
 --- a/src/main/java/net/minecraft/server/EntityInsentient.java
 +++ b/src/main/java/net/minecraft/server/EntityInsentient.java
 @@ -0,0 +0,0 @@ public abstract class EntityInsentient extends EntityLiving {