title: minDate and maxDate options are not working in datepicker
body: <p>I'm using the "datepicker" plugin on my project, it's set to decade view, and I want to disable the future dates, for this I have used the <code>maxDate</code> option but it's not working, my code: </p>
  
  <pre class="lang-js prettyprint-override"><code>$('#data_1 .input-group.date').datepicker({
      todayBtn: "linked",
      maxDate: "0",
      keyboardNavigation: false,
      forceParse: false,
      calendarWeeks: true,
      autoclose: true
  });
  </code></pre>
  
  <p>tried with <code>0</code> and <code>new Date</code></p>