Toggleable player crits, helps mitigate hacked clients. (#1040)

This is a port of https://github.com/PaperMC/Paper/blob/ver/1.8.8/Spigot-Server-Patches/0040-Toggleable-player-crits-helps-mitigate-hacked-client.patch
Also adds me to the MIT list.

Spigot-API-Patches/Add-MetadataStoreBase.removeAll-Plugin.patch

@@ -6,14 +6,13 @@ Subject: [PATCH] Add MetadataStoreBase.removeAll(Plugin)
 So that on reload, metadata will be cleared
 
 diff --git a/src/main/java/org/bukkit/metadata/MetadataStoreBase.java b/src/main/java/org/bukkit/metadata/MetadataStoreBase.java
-index 64c0f0a7..6da6abd8 100644
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/metadata/MetadataStoreBase.java
 +++ b/src/main/java/org/bukkit/metadata/MetadataStoreBase.java
 @@ -0,0 +0,0 @@ public abstract class MetadataStoreBase<T> {
-         }
      }
  
-+    /**
+     /**
 +     * Removes all metadata in the metadata store that originates from the
 +     * given plugin.
 +     *
@@ -33,7 +32,8 @@ index 64c0f0a7..6da6abd8 100644
 +        }
 +    }
 +
-     /**
++    /**
       * Creates a unique name for the object receiving metadata by combining
       * unique data from the subject with a metadataKey.
+      * <p>
 --

Spigot-API-Patches/Add-async-chunk-load-API.patch

@@ -5,14 +5,13 @@ Subject: [PATCH] Add async chunk load API
 
 
 diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
-index 67b0d516..21b2733f 100644
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/World.java
 +++ b/src/main/java/org/bukkit/World.java
 @@ -0,0 +0,0 @@ public interface World extends PluginMessageRecipient, Metadatable {
-      */
      public Chunk getChunkAt(Block block);
  
-+    /**
+     /**
 +     * Used by {@link World#getChunkAtAsync(Location,ChunkLoadCallback)} methods
 +     * to request a {@link Chunk} to be loaded, with this callback receiving
 +     * the chunk when it is finished.
@@ -84,7 +83,8 @@ index 67b0d516..21b2733f 100644
 +     */
 +    public void getChunkAtAsync(Block block, ChunkLoadCallback cb);
 +
-     /**
++    /**
       * Checks if the specified {@link Chunk} is loaded
       *
+      * @param chunk The chunk to check
 --

Spigot-API-Patches/Add-source-to-PlayerExpChangeEvent.patch

@@ -5,7 +5,7 @@ Subject: [PATCH] Add source to PlayerExpChangeEvent
 
 
 diff --git a/src/main/java/org/bukkit/event/player/PlayerExpChangeEvent.java b/src/main/java/org/bukkit/event/player/PlayerExpChangeEvent.java
-index f37491d7..30882559 100644
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/event/player/PlayerExpChangeEvent.java
 +++ b/src/main/java/org/bukkit/event/player/PlayerExpChangeEvent.java
 @@ -0,0 +0,0 @@
@@ -37,7 +37,7 @@ index f37491d7..30882559 100644
           exp = expAmount;
      }
  
-+    /**
+     /**
 +     * Get the source that provided the experience.
 +     *
 +     * @return The source of the experience
@@ -48,7 +48,8 @@ index f37491d7..30882559 100644
 +    }
 +    // Paper end
 +
-     /**
++    /**
       * Get the amount of experience the player will receive
       *
+      * @return The amount of experience
 --

Spigot-API-Patches/add-Trove-and-FastUtil-to-Bukkit.patch

@@ -5,14 +5,13 @@ Subject: [PATCH] add Trove and FastUtil to Bukkit
 
 
 diff --git a/pom.xml b/pom.xml
-index 360d2f08..c6bdf44e 100644
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/pom.xml
 +++ b/pom.xml
 @@ -0,0 +0,0 @@
-     </repositories>
  
      <dependencies>
-+        <dependency>
+         <dependency>
 +            <groupId>net.sf.trove4j</groupId>
 +            <artifactId>trove4j</artifactId>
 +            <version>3.0.3</version>
@@ -25,7 +24,8 @@ index 360d2f08..c6bdf44e 100644
 +            <version>1.0</version>
 +            <scope>provided</scope>
 +        </dependency>
-         <dependency>
++        <dependency>
              <groupId>commons-lang</groupId>
              <artifactId>commons-lang</artifactId>
+             <version>2.6</version>
 --