Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
cc001a73b Climbing should not bypass cramming gamerule
b9930b39d Add legacy plugin count to metrics
4729e6b90 Add more lightning API
5e220bcb5 [ci skip] add stale bot configuration
2a44498a5 Add PlayerItemCooldownEvent
fd33bcee1 Add LivingEntity#clearActiveItem
a99e0ca05 Fix Player spawnParticle x/y/z precision loss

patches/server/0074-Add-canSaveToDisk-to-Entity.patch

@@ -0,0 +1,35 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <Blake.Galbreath@GMail.com>
+Date: Tue, 18 Feb 2020 20:07:08 -0600
+Subject: [PATCH] Add canSaveToDisk to Entity
+
+
+diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+index 3628b04fc4..b40cb0c7b2 100644
+--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
++++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+@@ -532,6 +532,7 @@ public class ChunkRegionLoader {
+ 
+                 while (iterator1.hasNext()) {
+                     Entity entity = (Entity) iterator1.next();
++                    if (!entity.canSaveToDisk()) continue; // Purpur
+                     if (worldserver.paperConfig.projectileSaveLimit > -1 && (entity instanceof IProjectile || entity instanceof EntityEnderSignal)) {
+                         final EntityTypes<?> projectileType = entity.getEntityType();
+                         if (savedProjectileCounts.getOrDefault(projectileType, 0) >= worldserver.paperConfig.projectileSaveLimit) {
+diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
+index 35ed7f6742..d908e182b1 100644
+--- a/src/main/java/net/minecraft/server/Entity.java
++++ b/src/main/java/net/minecraft/server/Entity.java
+@@ -308,6 +308,12 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
+         this.headHeight = this.getHeadHeight(EntityPose.STANDING, this.size);
+     }
+ 
++    // Purpur start
++    public boolean canSaveToDisk() {
++        return true;
++    }
++    // Purpur end
++
+     public boolean isSpectator() {
+         return false;
+     }