Updated Upstream (Paper)

Upstream has released updates that appears to apply and compile correctly

Paper Changes:
4a97a7ca Add option to disable pillager patrols (#2626)
23e53aab Backport MC-160177 fix from 1.15 (#2702)
45089d59 Update upstream CB
761c24fa Fix stuck in sneak when changing worlds (MC-10657) (#2627)

patches/server/0052-Advancement-stuffs.patch

@@ -0,0 +1,24 @@
+From 3cd2e9d59270365d1315c92b17c8a0c5c454184f Mon Sep 17 00:00:00 2001
+From: William Blake Galbreath <blake.galbreath@gmail.com>
+Date: Sun, 11 Aug 2019 22:25:33 -0500
+Subject: [PATCH] Advancement stuffs
+
+---
+ src/main/java/net/minecraft/server/CriterionTrigger.java | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/main/java/net/minecraft/server/CriterionTrigger.java b/src/main/java/net/minecraft/server/CriterionTrigger.java
+index 4fe7324475..6e5d81daf1 100644
+--- a/src/main/java/net/minecraft/server/CriterionTrigger.java
++++ b/src/main/java/net/minecraft/server/CriterionTrigger.java
+@@ -27,6 +27,7 @@ public interface CriterionTrigger<T extends CriterionInstance> {
+             this.c = s;
+         }
+ 
++        public T getInstance() { return a(); } // Purpur - OBFHELPER
+         public T a() {
+             return this.a;
+         }
+-- 
+2.24.0.rc1
+