title: how to change language for DataTable
body: <p>I store, in a session variable, which language does user wants to translate but I don't know to pass it DataTables</p>
  
  <p>I found <a href="http://datatables.net/examples/advanced_init/language_file.html">this explanation on the datatables website</a> but that didn't really help, where do I set language param ?</p>