Add row split between Days 1/2 and Days 3/4

For four-day workshops, the schedule is often rendered oddly (it looks like three rows, given the way it wraps on the screen). Splitting the row div into two separate divs creates a workaround.

index.md

@@ -341,6 +341,8 @@ FOUR DAY SCHEDULE
  <tr> <td>16:50</td> <td>Finish day 2</td> </tr>
  </table>
  </div>
+</div>
+<div class="row"> 
  <div class="col-md-6">
  <h3>Day 3</h3>
  <table class="table table-striped">