undo and redo adding new cropper library as it had a .git config from the original project

library/cropperjs/test/methods/destroy.js

@@ -0,0 +1,22 @@
+QUnit.test('methods#destroy', function (assert) {
+  var done = assert.async();
+  var util = window.Util;
+  var image = util.createImage();
+
+  assert.expect(4);
+
+  return new Cropper(image, {
+    ready: function () {
+      var cropper = this.cropper;
+
+      assert.ok(typeof cropper === 'object');
+      assert.ok(util.hasClass(image, 'cropper-hidden'));
+
+      cropper.destroy();
+      assert.ok(typeof this.cropper === 'undefined');
+      assert.notOk(util.hasClass(image, 'cropper-hidden'));
+
+      done();
+    }
+  });
+});