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:
af58d316 Fix javadoc warning in Firework.setShotAtAngle

CraftBukkit Changes:
e2dd6555 SPIGOT-5372: Re-add tile entity fixer due to MC-163945
1e7a197f Fix incorrect inequality in 683bae0670c
db98d54d SPIGOT-5362: Suspicious stews fail isSimilar check

Spigot Changes:
56f84710 Rebuild patches

Spigot-Server-Patches/Disable-ice-and-snow.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Disable ice and snow
 
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
-index bf0cd6a8b4..8db5c3f3fe 100644
+index bf0cd6a8b..8db5c3f3f 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 {
@@ -19,7 +19,7 @@ index bf0cd6a8b4..8db5c3f3fe 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 48cd8913d1..4ca79a774e 100644
+index 90826bc16..b87d4d1bd 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -0,0 +0,0 @@ public class WorldServer extends World {