title: AngularJS Dropdown Multiselect Options not binding
body: <p>I am using AngularJS Dropdown Multiselect - <a href="http://dotansimha.github.io/angularjs-dropdown-multiselect/" rel="nofollow noreferrer">http://dotansimha.github.io/angularjs-dropdown-multiselect/</a>
  the problem I am facing is the option attribute that is not binding to the model </p>
  
  <pre><code>        &lt;div style="margin: 5%" checkboxes="true"
    ng-dropdown-multiselect="" options="example1data" selected-model="example1model"&gt;&lt;/div&gt;
  </code></pre>
  
  <p>For example:</p>
  
  <p>if model is :</p>
  
  <pre><code>    $scope.example1model = [];
  
      $scope.example1data = [ {id: 1, label: "David"}, {id: 2, label: "Jhon"}, {id: 3, label: "Danny"} ];
  </code></pre>
  
  <p>Issue:
  the binding for <strong>options</strong> doesn't seems to work correctly as I am getting only <strong>Id(s)</strong> rest is working fine, if I check David and John ,the <strong>options</strong> binding with $scope.example1model  show only the <strong>id</strong> not the <strong>label</strong>
  i.e : <code>[{"id":1},{"id":2}</code>
  but what I want is </p>
  
  <pre><code>[
    {
      "id": 1,
      "label": "David"
    },
    {
      "id": 2,
      "label": "John"
    }
  ]
  </code></pre>