NOT FINISHED!!! Current Progress on 1.13-pre7 update

This work is 100% unfinished. I am pushing it up so that we as a team
can work on this update.

Do not try to use this branch. You will fail.

Spigot-Server-Patches/Undead-horse-leashing.patch

@@ -6,7 +6,7 @@ Subject: [PATCH] Undead horse leashing
 default false to match vanilla, but option to allow undead horse types to be leashed.
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index a4c94845b..faacd86ba 100644
+index 93486b4b8..cd20572eb 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 {
@@ -20,7 +20,7 @@ index a4c94845b..faacd86ba 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/EntityHorseAbstract.java b/src/main/java/net/minecraft/server/EntityHorseAbstract.java
-index 46d1ea217..dcc39236f 100644
+index fbf6aa40d..0fe269bc8 100644
 --- a/src/main/java/net/minecraft/server/EntityHorseAbstract.java
 +++ b/src/main/java/net/minecraft/server/EntityHorseAbstract.java
 @@ -0,0 +0,0 @@ public abstract class EntityHorseAbstract extends EntityAnimal implements IInven
@@ -31,5 +31,5 @@ index 46d1ea217..dcc39236f 100644
 +        return world.paperConfig.allowLeashingUndeadHorse ? super.a(entityhuman) : super.a(entityhuman) && this.getMonsterType() != EnumMonsterType.UNDEAD; // Paper
      }
  
-     protected void q(float f) {
+     protected void u(float f) {
 --