title: Datepicker submit format
body: <p>In the new version of materialize the new 'datepicker' seems to have lost the option for 'formatSubmit'</p>
  
  <p>format: 'dd/mm/yyyy'</p>
  
  <p>formatSubmit: 'yyyy-mm-dd'</p>
  
  <p>You use to be able to display the date in the page in one format and submit it in another.</p>
  
  <p>Anyone have a way round this?</p>