Updated Upstream (CraftBukkit)

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

CraftBukkit Changes:
17543ecf SPIGOT-5035: Error Using Virtual Merchant GUI
0fc6922b SPIGOT-5028: Villager#setVillagerExperience() doesn't work
bdbdbe44 SPIGOT-5024: Fox error - Unknown target reason

Spigot-Server-Patches/Add-setting-for-proxy-online-mode-status.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add setting for proxy online mode status
 
 
 diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
-index 20b04e120..3d9dba769 100644
+index 20b04e120f..3d9dba7696 100644
 --- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
 +++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
 @@ -0,0 +0,0 @@ import org.bukkit.configuration.InvalidConfigurationException;
@@ -31,7 +31,7 @@ index 20b04e120..3d9dba769 100644
 +    }
  }
 diff --git a/src/main/java/net/minecraft/server/NameReferencingFileConverter.java b/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
-index 61ea2818b..26c786106 100644
+index 21a8ed3231..0794aff5b7 100644
 --- a/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
 +++ b/src/main/java/net/minecraft/server/NameReferencingFileConverter.java
 @@ -0,0 +0,0 @@ public class NameReferencingFileConverter {
@@ -45,7 +45,7 @@ index 61ea2818b..26c786106 100644
          } else {
              String[] astring1 = astring;
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index 954eb497b..4d51bbbec 100644
+index 86aa2ad322..d1c09b4513 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -0,0 +0,0 @@ public final class CraftServer implements Server {