added local backbonejs instead of dependency

Author: Vlad Balin

nestedtypes.js

@@ -21,7 +21,6 @@
     "underscore": ">=1.5.0"
   },
   "devDependencies": {
-    "backbone": "<1.2.0",
     "chai": "* <3",
     "jquery": "*",
     "mocha": "*",

package.json

@@ -7,7 +7,7 @@
  * ------------------------------------------------------------- */
 
 var Class = require( './object+' ),
-    Backbone = require( 'backbone' );
+    Backbone = require( './backbone' );
 
 module.exports = Backbone;