Paper 1.13.1 Update

Updated Upstream (Bukkit/CraftBukkit/Spigot)

Bukkit Changes:
2dcc44dc SPIGOT-4307: Fix hacky API for banners on shields
e0fc6572 SPIGOT-4309: Add "forced" display of particles
efeeab2f Add index to README.md for easier navigation
f502bc6f Update to Minecraft 1.13.1

CraftBukkit Changes:
d0bb0a1d Fix some tests randomly failing
997d378d Fix client stall in specific teleportation scenarios
b3dc2366 SPIGOT-4307: Fix hacky API for banners on shields
2a271162 SPIGOT-4301: Fix more invalid enchants
5d0d83bb SPIGOT-4309: Add "forced" display of particles
a6772578 Add additional tests for CraftBlockData
ce1af0c3 Update to Minecraft 1.13.1

Spigot Changes:
2440e189 Rebuild patches
4ecffced Update to Minecraft 1.13.1

Spigot-Server-Patches/Handle-plugin-prefixes-using-Log4J-configuration.patch

@@ -15,7 +15,7 @@ This may cause additional prefixes to be disabled for plugins bypassing
 the plugin logger.
 
 diff --git a/pom.xml b/pom.xml
-index a93ed45df9..bb32cb749d 100644
+index 5afd16d7fe..cb42202add 100644
 --- a/pom.xml
 +++ b/pom.xml
 @@ -0,0 +0,0 @@
@@ -25,10 +25,10 @@ index a93ed45df9..bb32cb749d 100644
 -            <scope>runtime</scope>
 +            <scope>compile</scope>
          </dependency>
- 
-         <!-- Paper - Add additional Log4J dependencies -->
+         <dependency>
+             <groupId>org.apache.logging.log4j</groupId>
 diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
-index ff85d45ab1..abf281c748 100644
+index 9dca5aeda1..9584950c63 100644
 --- a/src/main/java/org/spigotmc/SpigotConfig.java
 +++ b/src/main/java/org/spigotmc/SpigotConfig.java
 @@ -0,0 +0,0 @@ public class SpigotConfig