Added a method to teleport entities across worlds.

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlayerProxy.java

@@ -97,6 +97,11 @@ class PlayerProxy extends AbstractPlayerActor {
         return basePlayer.getLocation();
     }
 
+    @Override
+    public boolean setLocation(Location location) {
+        return basePlayer.setLocation(location);
+    }
+
     @Override
     public void setPosition(Vector3 pos, float pitch, float yaw) {
         basePlayer.setPosition(pos, pitch, yaw);