Add static getHandlerList to TrustChangedEvent (#1003)

src/main/java/me/ryanhamshire/GriefPrevention/events/TrustChangedEvent.java

@@ -54,6 +54,11 @@ public class TrustChangedEvent extends Event implements Cancellable
         return handlers;
     }
 
+    public static HandlerList getHandlerList()
+    {
+        return handlers;
+    }
+
     /**
      * Gets who made the change
      *