title: Formatting date in odoo email template
body: <p>In odoo 9 i need to format the date_invoice in %d/%m/%Y inside email template:</p>
  
  <pre><code>Invoice date: ${object.date_invoice}
  </code></pre>
  
  <p>The code above return 2017-03-31 but it is in wrong locale.</p>
  
  <p>How i can format to get 31/03/2017 ?</p>