add licence: WTFPL

LICENCE

+DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+                  Version 2, December 2004 
+
+Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> 
+
+Everyone is permitted to copy and distribute verbatim or modified 
+copies of this license document, and changing it is allowed as long 
+as the name is changed. 
+
+          DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 
+
+0. You just DO WHAT THE FUCK YOU WANT TO.

scripts/map.js

+/* This program is free software. It comes without any warranty, to
+     * the extent permitted by applicable law. You can redistribute it
+     * and/or modify it under the terms of the Do What The Fuck You Want
+     * To Public License, Version 2, as published by Sam Hocevar. See
+     * http://www.wtfpl.net/ for more details. */
+
 var MapModel = Backbone.Model.extend({});
 
 var MapData = Backbone.Collection.extend({