title: DataTables gives error when table is empty
body: <p>Using Datatables 1.9.4 for a Rails 3.2.6 Application.</p>
  
  <p>I am using DataTable and it is working great but I had noticed that whenever my table has no data, it will give out the following errors:</p>
  
  <p>DataTables warning (table id = 'resource-index-listing-table'): Requested unknown parameter '1' from the data source for row 0.</p>
  
  <p>Can someone please help.</p>